Home / 71,169.15-98,218.50-39,337.35

Finding the Fourth Proportional to 71,169.15, 98,218.50 and 39,337.35

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Solution

The fourth proportional to 71,169.15, 98,218.50 and 39,337.35 is: 54,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,169.15 : 98,218.50 = 39,337.35 : x
  2. Step 2: Convert to fraction form
    71,169.15/98,218.50 = 39,337.35/x
  3. Step 3: Cross multiply
    71,169.15x = 98,218.50 × 39,337.35
  4. Step 4: Simplify right side
    71,169.15x = 3,863,655,510.98
  5. Step 5: Solve for x
    x = 3,863,655,510.98/71,169.15
  6. Step 6: Final answer
    x = 54,288.35

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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.