Home / 124,884.16-172,337.76-68,295.36

Finding the Fourth Proportional to 124,884.16, 172,337.76 and 68,295.36

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Solution

The fourth proportional to 124,884.16, 172,337.76 and 68,295.36 is: 94,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,884.16 : 172,337.76 = 68,295.36 : x
  2. Step 2: Convert to fraction form
    124,884.16/172,337.76 = 68,295.36/x
  3. Step 3: Cross multiply
    124,884.16x = 172,337.76 × 68,295.36
  4. Step 4: Simplify right side
    124,884.16x = 11,769,869,360.79
  5. Step 5: Solve for x
    x = 11,769,869,360.79/124,884.16
  6. Step 6: Final answer
    x = 94,246.29

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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.