Home / 124,833.97-172,262.01-71,109.10

Finding the Fourth Proportional to 124,833.97, 172,262.01 and 71,109.10

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Solution

The fourth proportional to 124,833.97, 172,262.01 and 71,109.10 is: 98,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,833.97 : 172,262.01 = 71,109.10 : x
  2. Step 2: Convert to fraction form
    124,833.97/172,262.01 = 71,109.10/x
  3. Step 3: Cross multiply
    124,833.97x = 172,262.01 × 71,109.10
  4. Step 4: Simplify right side
    124,833.97x = 12,249,396,495.29
  5. Step 5: Solve for x
    x = 12,249,396,495.29/124,833.97
  6. Step 6: Final answer
    x = 98,125.51

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1.5x scale

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.