Home / 124,548.60-171,877.76-67,961.20

Finding the Fourth Proportional to 124,548.60, 171,877.76 and 67,961.20

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Solution

The fourth proportional to 124,548.60, 171,877.76 and 67,961.20 is: 93,786.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,548.60 : 171,877.76 = 67,961.20 : x
  2. Step 2: Convert to fraction form
    124,548.60/171,877.76 = 67,961.20/x
  3. Step 3: Cross multiply
    124,548.60x = 171,877.76 × 67,961.20
  4. Step 4: Simplify right side
    124,548.60x = 11,681,018,822.91
  5. Step 5: Solve for x
    x = 11,681,018,822.91/124,548.60
  6. Step 6: Final answer
    x = 93,786.83

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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.