Home / 93,928.68-129,624.90-51,487.20

Finding the Fourth Proportional to 93,928.68, 129,624.90 and 51,487.20

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Solution

The fourth proportional to 93,928.68, 129,624.90 and 51,487.20 is: 71,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,928.68 : 129,624.90 = 51,487.20 : x
  2. Step 2: Convert to fraction form
    93,928.68/129,624.90 = 51,487.20/x
  3. Step 3: Cross multiply
    93,928.68x = 129,624.90 × 51,487.20
  4. Step 4: Simplify right side
    93,928.68x = 6,674,023,151.28
  5. Step 5: Solve for x
    x = 6,674,023,151.28/93,928.68
  6. Step 6: Final answer
    x = 71,054.16

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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.