Home / 113,427.18-156,524.12-62,438.86

Finding the Fourth Proportional to 113,427.18, 156,524.12 and 62,438.86

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Solution

The fourth proportional to 113,427.18, 156,524.12 and 62,438.86 is: 86,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,427.18 : 156,524.12 = 62,438.86 : x
  2. Step 2: Convert to fraction form
    113,427.18/156,524.12 = 62,438.86/x
  3. Step 3: Cross multiply
    113,427.18x = 156,524.12 × 62,438.86
  4. Step 4: Simplify right side
    113,427.18x = 9,773,187,615.30
  5. Step 5: Solve for x
    x = 9,773,187,615.30/113,427.18
  6. Step 6: Final answer
    x = 86,162.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.