Home / 124,712.46-172,100.73-70,264.74

Finding the Fourth Proportional to 124,712.46, 172,100.73 and 70,264.74

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Solution

The fourth proportional to 124,712.46, 172,100.73 and 70,264.74 is: 96,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.46 : 172,100.73 = 70,264.74 : x
  2. Step 2: Convert to fraction form
    124,712.46/172,100.73 = 70,264.74/x
  3. Step 3: Cross multiply
    124,712.46x = 172,100.73 × 70,264.74
  4. Step 4: Simplify right side
    124,712.46x = 12,092,613,047.26
  5. Step 5: Solve for x
    x = 12,092,613,047.26/124,712.46
  6. Step 6: Final answer
    x = 96,963.95

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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.