Home / 124,877.50-172,327.44-68,287.66

Finding the Fourth Proportional to 124,877.50, 172,327.44 and 68,287.66

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Solution

The fourth proportional to 124,877.50, 172,327.44 and 68,287.66 is: 94,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,877.50 : 172,327.44 = 68,287.66 : x
  2. Step 2: Convert to fraction form
    124,877.50/172,327.44 = 68,287.66/x
  3. Step 3: Cross multiply
    124,877.50x = 172,327.44 × 68,287.66
  4. Step 4: Simplify right side
    124,877.50x = 11,767,837,631.39
  5. Step 5: Solve for x
    x = 11,767,837,631.39/124,877.50
  6. Step 6: Final answer
    x = 94,235.05

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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.