Home / 125,320.08-172,941.96-68,731.92

Finding the Fourth Proportional to 125,320.08, 172,941.96 and 68,731.92

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Solution

The fourth proportional to 125,320.08, 172,941.96 and 68,731.92 is: 94,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,320.08 : 172,941.96 = 68,731.92 : x
  2. Step 2: Convert to fraction form
    125,320.08/172,941.96 = 68,731.92/x
  3. Step 3: Cross multiply
    125,320.08x = 172,941.96 × 68,731.92
  4. Step 4: Simplify right side
    125,320.08x = 11,886,632,959.36
  5. Step 5: Solve for x
    x = 11,886,632,959.36/125,320.08
  6. Step 6: Final answer
    x = 94,850.19

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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.