Home / 71,727.18-98,924.61-63,666.74

Finding the Fourth Proportional to 71,727.18, 98,924.61 and 63,666.74

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Solution

The fourth proportional to 71,727.18, 98,924.61 and 63,666.74 is: 87,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,727.18 : 98,924.61 = 63,666.74 : x
  2. Step 2: Convert to fraction form
    71,727.18/98,924.61 = 63,666.74/x
  3. Step 3: Cross multiply
    71,727.18x = 98,924.61 × 63,666.74
  4. Step 4: Simplify right side
    71,727.18x = 6,298,206,929.85
  5. Step 5: Solve for x
    x = 6,298,206,929.85/71,727.18
  6. Step 6: Final answer
    x = 87,807.81

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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.