Home / 124,969.95-172,463.13-71,254.40

Finding the Fourth Proportional to 124,969.95, 172,463.13 and 71,254.40

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Solution

The fourth proportional to 124,969.95, 172,463.13 and 71,254.40 is: 98,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.95 : 172,463.13 = 71,254.40 : x
  2. Step 2: Convert to fraction form
    124,969.95/172,463.13 = 71,254.40/x
  3. Step 3: Cross multiply
    124,969.95x = 172,463.13 × 71,254.40
  4. Step 4: Simplify right side
    124,969.95x = 12,288,755,987.96
  5. Step 5: Solve for x
    x = 12,288,755,987.96/124,969.95
  6. Step 6: Final answer
    x = 98,333.69

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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.