Home / 87,033.12-130,613.76-39,701.76

Finding the Fourth Proportional to 87,033.12, 130,613.76 and 39,701.76

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Solution

The fourth proportional to 87,033.12, 130,613.76 and 39,701.76 is: 59,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,033.12 : 130,613.76 = 39,701.76 : x
  2. Step 2: Convert to fraction form
    87,033.12/130,613.76 = 39,701.76/x
  3. Step 3: Cross multiply
    87,033.12x = 130,613.76 × 39,701.76
  4. Step 4: Simplify right side
    87,033.12x = 5,185,596,152.22
  5. Step 5: Solve for x
    x = 5,185,596,152.22/87,033.12
  6. Step 6: Final answer
    x = 59,581.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.