Home / 124,039.88-171,179.54-71,058.12

Finding the Fourth Proportional to 124,039.88, 171,179.54 and 71,058.12

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Solution

The fourth proportional to 124,039.88, 171,179.54 and 71,058.12 is: 98,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,039.88 : 171,179.54 = 71,058.12 : x
  2. Step 2: Convert to fraction form
    124,039.88/171,179.54 = 71,058.12/x
  3. Step 3: Cross multiply
    124,039.88x = 171,179.54 × 71,058.12
  4. Step 4: Simplify right side
    124,039.88x = 12,163,696,294.86
  5. Step 5: Solve for x
    x = 12,163,696,294.86/124,039.88
  6. Step 6: Final answer
    x = 98,062.79

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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.