Home / 81,503.22-112,474.65-45,207.24

Finding the Fourth Proportional to 81,503.22, 112,474.65 and 45,207.24

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Solution

The fourth proportional to 81,503.22, 112,474.65 and 45,207.24 is: 62,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,503.22 : 112,474.65 = 45,207.24 : x
  2. Step 2: Convert to fraction form
    81,503.22/112,474.65 = 45,207.24/x
  3. Step 3: Cross multiply
    81,503.22x = 112,474.65 × 45,207.24
  4. Step 4: Simplify right side
    81,503.22x = 5,084,668,496.47
  5. Step 5: Solve for x
    x = 5,084,668,496.47/81,503.22
  6. Step 6: Final answer
    x = 62,386.11

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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.