Home / 57,589.56-86,382.72-31,459.77

Finding the Fourth Proportional to 57,589.56, 86,382.72 and 31,459.77

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Solution

The fourth proportional to 57,589.56, 86,382.72 and 31,459.77 is: 47,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,589.56 : 86,382.72 = 31,459.77 : x
  2. Step 2: Convert to fraction form
    57,589.56/86,382.72 = 31,459.77/x
  3. Step 3: Cross multiply
    57,589.56x = 86,382.72 × 31,459.77
  4. Step 4: Simplify right side
    57,589.56x = 2,717,580,503.17
  5. Step 5: Solve for x
    x = 2,717,580,503.17/57,589.56
  6. Step 6: Final answer
    x = 47,188.77

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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.