Home / 125,335.17-172,961.60-68,746.14

Finding the Fourth Proportional to 125,335.17, 172,961.60 and 68,746.14

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Solution

The fourth proportional to 125,335.17, 172,961.60 and 68,746.14 is: 94,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,335.17 : 172,961.60 = 68,746.14 : x
  2. Step 2: Convert to fraction form
    125,335.17/172,961.60 = 68,746.14/x
  3. Step 3: Cross multiply
    125,335.17x = 172,961.60 × 68,746.14
  4. Step 4: Simplify right side
    125,335.17x = 11,890,442,024.49
  5. Step 5: Solve for x
    x = 11,890,442,024.49/125,335.17
  6. Step 6: Final answer
    x = 94,869.16

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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.