Home / 113,508.36-156,642.59-62,521.28

Finding the Fourth Proportional to 113,508.36, 156,642.59 and 62,521.28

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Solution

The fourth proportional to 113,508.36, 156,642.59 and 62,521.28 is: 86,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,508.36 : 156,642.59 = 62,521.28 : x
  2. Step 2: Convert to fraction form
    113,508.36/156,642.59 = 62,521.28/x
  3. Step 3: Cross multiply
    113,508.36x = 156,642.59 × 62,521.28
  4. Step 4: Simplify right side
    113,508.36x = 9,793,494,133.50
  5. Step 5: Solve for x
    x = 9,793,494,133.50/113,508.36
  6. Step 6: Final answer
    x = 86,279.94

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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.