Home / 86,318.47-129,422.35-59,589.57

Finding the Fourth Proportional to 86,318.47, 129,422.35 and 59,589.57

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Solution

The fourth proportional to 86,318.47, 129,422.35 and 59,589.57 is: 89,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,318.47 : 129,422.35 = 59,589.57 : x
  2. Step 2: Convert to fraction form
    86,318.47/129,422.35 = 59,589.57/x
  3. Step 3: Cross multiply
    86,318.47x = 129,422.35 × 59,589.57
  4. Step 4: Simplify right side
    86,318.47x = 7,712,222,184.89
  5. Step 5: Solve for x
    x = 7,712,222,184.89/86,318.47
  6. Step 6: Final answer
    x = 89,346.14

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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.