Home / 125,124.64-172,674.24-68,532.36

Finding the Fourth Proportional to 125,124.64, 172,674.24 and 68,532.36

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Solution

The fourth proportional to 125,124.64, 172,674.24 and 68,532.36 is: 94,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,124.64 : 172,674.24 = 68,532.36 : x
  2. Step 2: Convert to fraction form
    125,124.64/172,674.24 = 68,532.36/x
  3. Step 3: Cross multiply
    125,124.64x = 172,674.24 × 68,532.36
  4. Step 4: Simplify right side
    125,124.64x = 11,833,773,178.41
  5. Step 5: Solve for x
    x = 11,833,773,178.41/125,124.64
  6. Step 6: Final answer
    x = 94,575.88

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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.