Home / 86,002.50-129,005.22-29,844.56

Finding the Fourth Proportional to 86,002.50, 129,005.22 and 29,844.56

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Solution

The fourth proportional to 86,002.50, 129,005.22 and 29,844.56 is: 44,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,002.50 : 129,005.22 = 29,844.56 : x
  2. Step 2: Convert to fraction form
    86,002.50/129,005.22 = 29,844.56/x
  3. Step 3: Cross multiply
    86,002.50x = 129,005.22 × 29,844.56
  4. Step 4: Simplify right side
    86,002.50x = 3,850,104,028.60
  5. Step 5: Solve for x
    x = 3,850,104,028.60/86,002.50
  6. Step 6: Final answer
    x = 44,767.35

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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.