Home / 93,572.18-129,129.93-51,130.71

Finding the Fourth Proportional to 93,572.18, 129,129.93 and 51,130.71

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Solution

The fourth proportional to 93,572.18, 129,129.93 and 51,130.71 is: 70,560.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,572.18 : 129,129.93 = 51,130.71 : x
  2. Step 2: Convert to fraction form
    93,572.18/129,129.93 = 51,130.71/x
  3. Step 3: Cross multiply
    93,572.18x = 129,129.93 × 51,130.71
  4. Step 4: Simplify right side
    93,572.18x = 6,602,504,357.50
  5. Step 5: Solve for x
    x = 6,602,504,357.50/93,572.18
  6. Step 6: Final answer
    x = 70,560.55

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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.