Home / 93,632.16-129,214.37-51,189.78

Finding the Fourth Proportional to 93,632.16, 129,214.37 and 51,189.78

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Solution

The fourth proportional to 93,632.16, 129,214.37 and 51,189.78 is: 70,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,632.16 : 129,214.37 = 51,189.78 : x
  2. Step 2: Convert to fraction form
    93,632.16/129,214.37 = 51,189.78/x
  3. Step 3: Cross multiply
    93,632.16x = 129,214.37 × 51,189.78
  4. Step 4: Simplify right side
    93,632.16x = 6,614,454,917.19
  5. Step 5: Solve for x
    x = 6,614,454,917.19/93,632.16
  6. Step 6: Final answer
    x = 70,642.98

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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.