Home / 93,685.92-129,288.50-51,247.20

Finding the Fourth Proportional to 93,685.92, 129,288.50 and 51,247.20

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Solution

The fourth proportional to 93,685.92, 129,288.50 and 51,247.20 is: 70,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,685.92 : 129,288.50 = 51,247.20 : x
  2. Step 2: Convert to fraction form
    93,685.92/129,288.50 = 51,247.20/x
  3. Step 3: Cross multiply
    93,685.92x = 129,288.50 × 51,247.20
  4. Step 4: Simplify right side
    93,685.92x = 6,625,673,617.20
  5. Step 5: Solve for x
    x = 6,625,673,617.20/93,685.92
  6. Step 6: Final answer
    x = 70,722.19

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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.