Home / 113,374.88-156,458.75-62,393.48

Finding the Fourth Proportional to 113,374.88, 156,458.75 and 62,393.48

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Solution

The fourth proportional to 113,374.88, 156,458.75 and 62,393.48 is: 86,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,374.88 : 156,458.75 = 62,393.48 : x
  2. Step 2: Convert to fraction form
    113,374.88/156,458.75 = 62,393.48/x
  3. Step 3: Cross multiply
    113,374.88x = 156,458.75 × 62,393.48
  4. Step 4: Simplify right side
    113,374.88x = 9,762,005,888.95
  5. Step 5: Solve for x
    x = 9,762,005,888.95/113,374.88
  6. Step 6: Final answer
    x = 86,103.78

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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.