Home / 124,569.40-171,909.54-70,862.12

Finding the Fourth Proportional to 124,569.40, 171,909.54 and 70,862.12

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Solution

The fourth proportional to 124,569.40, 171,909.54 and 70,862.12 is: 97,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,569.40 : 171,909.54 = 70,862.12 : x
  2. Step 2: Convert to fraction form
    124,569.40/171,909.54 = 70,862.12/x
  3. Step 3: Cross multiply
    124,569.40x = 171,909.54 × 70,862.12
  4. Step 4: Simplify right side
    124,569.40x = 12,181,874,452.62
  5. Step 5: Solve for x
    x = 12,181,874,452.62/124,569.40
  6. Step 6: Final answer
    x = 97,791.87

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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.