Home / 86,038.20-129,059.46-41,656.68

Finding the Fourth Proportional to 86,038.20, 129,059.46 and 41,656.68

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Solution

The fourth proportional to 86,038.20, 129,059.46 and 41,656.68 is: 62,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,038.20 : 129,059.46 = 41,656.68 : x
  2. Step 2: Convert to fraction form
    86,038.20/129,059.46 = 41,656.68/x
  3. Step 3: Cross multiply
    86,038.20x = 129,059.46 × 41,656.68
  4. Step 4: Simplify right side
    86,038.20x = 5,376,188,626.19
  5. Step 5: Solve for x
    x = 5,376,188,626.19/86,038.20
  6. Step 6: Final answer
    x = 62,486.07

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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.