Home / 125,322.61-172,946.06-68,734.39

Finding the Fourth Proportional to 125,322.61, 172,946.06 and 68,734.39

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Solution

The fourth proportional to 125,322.61, 172,946.06 and 68,734.39 is: 94,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,322.61 : 172,946.06 = 68,734.39 : x
  2. Step 2: Convert to fraction form
    125,322.61/172,946.06 = 68,734.39/x
  3. Step 3: Cross multiply
    125,322.61x = 172,946.06 × 68,734.39
  4. Step 4: Simplify right side
    125,322.61x = 11,887,341,593.33
  5. Step 5: Solve for x
    x = 11,887,341,593.33/125,322.61
  6. Step 6: Final answer
    x = 94,853.93

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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.