Home / 113,374.19-156,457.80-62,392.79

Finding the Fourth Proportional to 113,374.19, 156,457.80 and 62,392.79

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Solution

The fourth proportional to 113,374.19, 156,457.80 and 62,392.79 is: 86,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,374.19 : 156,457.80 = 62,392.79 : x
  2. Step 2: Convert to fraction form
    113,374.19/156,457.80 = 62,392.79/x
  3. Step 3: Cross multiply
    113,374.19x = 156,457.80 × 62,392.79
  4. Step 4: Simplify right side
    113,374.19x = 9,761,838,659.26
  5. Step 5: Solve for x
    x = 9,761,838,659.26/113,374.19
  6. Step 6: Final answer
    x = 86,102.83

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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.