Home / 93,727.50-129,346.74-51,288.90

Finding the Fourth Proportional to 93,727.50, 129,346.74 and 51,288.90

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Solution

The fourth proportional to 93,727.50, 129,346.74 and 51,288.90 is: 70,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,727.50 : 129,346.74 = 51,288.90 : x
  2. Step 2: Convert to fraction form
    93,727.50/129,346.74 = 51,288.90/x
  3. Step 3: Cross multiply
    93,727.50x = 129,346.74 × 51,288.90
  4. Step 4: Simplify right side
    93,727.50x = 6,634,052,013.19
  5. Step 5: Solve for x
    x = 6,634,052,013.19/93,727.50
  6. Step 6: Final answer
    x = 70,780.21

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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.