Home / 83,489.10-115,214.28-45,763.26

Finding the Fourth Proportional to 83,489.10, 115,214.28 and 45,763.26

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Solution

The fourth proportional to 83,489.10, 115,214.28 and 45,763.26 is: 63,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.10 : 115,214.28 = 45,763.26 : x
  2. Step 2: Convert to fraction form
    83,489.10/115,214.28 = 45,763.26/x
  3. Step 3: Cross multiply
    83,489.10x = 115,214.28 × 45,763.26
  4. Step 4: Simplify right side
    83,489.10x = 5,272,581,051.35
  5. Step 5: Solve for x
    x = 5,272,581,051.35/83,489.10
  6. Step 6: Final answer
    x = 63,152.93

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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.