Home / 87,926.02-121,337.50-47,639.77

Finding the Fourth Proportional to 87,926.02, 121,337.50 and 47,639.77

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Solution

The fourth proportional to 87,926.02, 121,337.50 and 47,639.77 is: 65,742.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,926.02 : 121,337.50 = 47,639.77 : x
  2. Step 2: Convert to fraction form
    87,926.02/121,337.50 = 47,639.77/x
  3. Step 3: Cross multiply
    87,926.02x = 121,337.50 × 47,639.77
  4. Step 4: Simplify right side
    87,926.02x = 5,780,490,776.62
  5. Step 5: Solve for x
    x = 5,780,490,776.62/87,926.02
  6. Step 6: Final answer
    x = 65,742.66

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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.