Home / 113,211.36-156,225.97-62,909.28

Finding the Fourth Proportional to 113,211.36, 156,225.97 and 62,909.28

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Solution

The fourth proportional to 113,211.36, 156,225.97 and 62,909.28 is: 86,811.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,211.36 : 156,225.97 = 62,909.28 : x
  2. Step 2: Convert to fraction form
    113,211.36/156,225.97 = 62,909.28/x
  3. Step 3: Cross multiply
    113,211.36x = 156,225.97 × 62,909.28
  4. Step 4: Simplify right side
    113,211.36x = 9,828,063,290.00
  5. Step 5: Solve for x
    x = 9,828,063,290.00/113,211.36
  6. Step 6: Final answer
    x = 86,811.64

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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.