Home / 93,687.12-129,286.26-51,244.20

Finding the Fourth Proportional to 93,687.12, 129,286.26 and 51,244.20

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Solution

The fourth proportional to 93,687.12, 129,286.26 and 51,244.20 is: 70,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,687.12 : 129,286.26 = 51,244.20 : x
  2. Step 2: Convert to fraction form
    93,687.12/129,286.26 = 51,244.20/x
  3. Step 3: Cross multiply
    93,687.12x = 129,286.26 × 51,244.20
  4. Step 4: Simplify right side
    93,687.12x = 6,625,170,964.69
  5. Step 5: Solve for x
    x = 6,625,170,964.69/93,687.12
  6. Step 6: Final answer
    x = 70,715.92

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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.