Home / 93,571.86-129,132.35-51,133.12

Finding the Fourth Proportional to 93,571.86, 129,132.35 and 51,133.12

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Solution

The fourth proportional to 93,571.86, 129,132.35 and 51,133.12 is: 70,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,571.86 : 129,132.35 = 51,133.12 : x
  2. Step 2: Convert to fraction form
    93,571.86/129,132.35 = 51,133.12/x
  3. Step 3: Cross multiply
    93,571.86x = 129,132.35 × 51,133.12
  4. Step 4: Simplify right side
    93,571.86x = 6,602,939,948.43
  5. Step 5: Solve for x
    x = 6,602,939,948.43/93,571.86
  6. Step 6: Final answer
    x = 70,565.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.