Home / 86,025.40-129,074.52-41,685.16

Finding the Fourth Proportional to 86,025.40, 129,074.52 and 41,685.16

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Solution

The fourth proportional to 86,025.40, 129,074.52 and 41,685.16 is: 62,545.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,025.40 : 129,074.52 = 41,685.16 : x
  2. Step 2: Convert to fraction form
    86,025.40/129,074.52 = 41,685.16/x
  3. Step 3: Cross multiply
    86,025.40x = 129,074.52 × 41,685.16
  4. Step 4: Simplify right side
    86,025.40x = 5,380,492,018.12
  5. Step 5: Solve for x
    x = 5,380,492,018.12/86,025.40
  6. Step 6: Final answer
    x = 62,545.39

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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.