Home / 83,537.64-115,281.96-45,812.68

Finding the Fourth Proportional to 83,537.64, 115,281.96 and 45,812.68

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Solution

The fourth proportional to 83,537.64, 115,281.96 and 45,812.68 is: 63,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,537.64 : 115,281.96 = 45,812.68 : x
  2. Step 2: Convert to fraction form
    83,537.64/115,281.96 = 45,812.68/x
  3. Step 3: Cross multiply
    83,537.64x = 115,281.96 × 45,812.68
  4. Step 4: Simplify right side
    83,537.64x = 5,281,375,543.25
  5. Step 5: Solve for x
    x = 5,281,375,543.25/83,537.64
  6. Step 6: Final answer
    x = 63,221.51

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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.