Home / 124,887.25-172,344.54-68,298.76

Finding the Fourth Proportional to 124,887.25, 172,344.54 and 68,298.76

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Solution

The fourth proportional to 124,887.25, 172,344.54 and 68,298.76 is: 94,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,887.25 : 172,344.54 = 68,298.76 : x
  2. Step 2: Convert to fraction form
    124,887.25/172,344.54 = 68,298.76/x
  3. Step 3: Cross multiply
    124,887.25x = 172,344.54 × 68,298.76
  4. Step 4: Simplify right side
    124,887.25x = 11,770,918,374.77
  5. Step 5: Solve for x
    x = 11,770,918,374.77/124,887.25
  6. Step 6: Final answer
    x = 94,252.36

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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.