Home / 109,397.48-150,996.61-71,252.08

Finding the Fourth Proportional to 109,397.48, 150,996.61 and 71,252.08

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Solution

The fourth proportional to 109,397.48, 150,996.61 and 71,252.08 is: 98,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,397.48 : 150,996.61 = 71,252.08 : x
  2. Step 2: Convert to fraction form
    109,397.48/150,996.61 = 71,252.08/x
  3. Step 3: Cross multiply
    109,397.48x = 150,996.61 × 71,252.08
  4. Step 4: Simplify right side
    109,397.48x = 10,758,821,801.70
  5. Step 5: Solve for x
    x = 10,758,821,801.70/109,397.48
  6. Step 6: Final answer
    x = 98,346.16

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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.