Home / 105,023.64-144,882.60-71,044.02

Finding the Fourth Proportional to 105,023.64, 144,882.60 and 71,044.02

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Solution

The fourth proportional to 105,023.64, 144,882.60 and 71,044.02 is: 98,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,023.64 : 144,882.60 = 71,044.02 : x
  2. Step 2: Convert to fraction form
    105,023.64/144,882.60 = 71,044.02/x
  3. Step 3: Cross multiply
    105,023.64x = 144,882.60 × 71,044.02
  4. Step 4: Simplify right side
    105,023.64x = 10,293,042,332.05
  5. Step 5: Solve for x
    x = 10,293,042,332.05/105,023.64
  6. Step 6: Final answer
    x = 98,006.91

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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.