Home / 125,050.64-172,563.28-68,451.04

Finding the Fourth Proportional to 125,050.64, 172,563.28 and 68,451.04

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Solution

The fourth proportional to 125,050.64, 172,563.28 and 68,451.04 is: 94,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050.64 : 172,563.28 = 68,451.04 : x
  2. Step 2: Convert to fraction form
    125,050.64/172,563.28 = 68,451.04/x
  3. Step 3: Cross multiply
    125,050.64x = 172,563.28 × 68,451.04
  4. Step 4: Simplify right side
    125,050.64x = 11,812,135,981.81
  5. Step 5: Solve for x
    x = 11,812,135,981.81/125,050.64
  6. Step 6: Final answer
    x = 94,458.82

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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.