Home / 83,459.16-115,284.06-62,201.52

Finding the Fourth Proportional to 83,459.16, 115,284.06 and 62,201.52

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Solution

The fourth proportional to 83,459.16, 115,284.06 and 62,201.52 is: 85,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.16 : 115,284.06 = 62,201.52 : x
  2. Step 2: Convert to fraction form
    83,459.16/115,284.06 = 62,201.52/x
  3. Step 3: Cross multiply
    83,459.16x = 115,284.06 × 62,201.52
  4. Step 4: Simplify right side
    83,459.16x = 7,170,843,763.77
  5. Step 5: Solve for x
    x = 7,170,843,763.77/83,459.16
  6. Step 6: Final answer
    x = 85,920.39

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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.