Home / 86,359.87-129,381.98-62,608.55

Finding the Fourth Proportional to 86,359.87, 129,381.98 and 62,608.55

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Solution

The fourth proportional to 86,359.87, 129,381.98 and 62,608.55 is: 93,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,359.87 : 129,381.98 = 62,608.55 : x
  2. Step 2: Convert to fraction form
    86,359.87/129,381.98 = 62,608.55/x
  3. Step 3: Cross multiply
    86,359.87x = 129,381.98 × 62,608.55
  4. Step 4: Simplify right side
    86,359.87x = 8,100,417,203.98
  5. Step 5: Solve for x
    x = 8,100,417,203.98/86,359.87
  6. Step 6: Final answer
    x = 93,798.39

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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.