Home / 86,001.24-129,007.80-36,031.13

Finding the Fourth Proportional to 86,001.24, 129,007.80 and 36,031.13

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Solution

The fourth proportional to 86,001.24, 129,007.80 and 36,031.13 is: 54,049.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,001.24 : 129,007.80 = 36,031.13 : x
  2. Step 2: Convert to fraction form
    86,001.24/129,007.80 = 36,031.13/x
  3. Step 3: Cross multiply
    86,001.24x = 129,007.80 × 36,031.13
  4. Step 4: Simplify right side
    86,001.24x = 4,648,296,812.81
  5. Step 5: Solve for x
    x = 4,648,296,812.81/86,001.24
  6. Step 6: Final answer
    x = 54,049.18

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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.