Home / 115,283.08-172,920.30-36,402.04

Finding the Fourth Proportional to 115,283.08, 172,920.30 and 36,402.04

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Solution

The fourth proportional to 115,283.08, 172,920.30 and 36,402.04 is: 54,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,283.08 : 172,920.30 = 36,402.04 : x
  2. Step 2: Convert to fraction form
    115,283.08/172,920.30 = 36,402.04/x
  3. Step 3: Cross multiply
    115,283.08x = 172,920.30 × 36,402.04
  4. Step 4: Simplify right side
    115,283.08x = 6,294,651,677.41
  5. Step 5: Solve for x
    x = 6,294,651,677.41/115,283.08
  6. Step 6: Final answer
    x = 54,601.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.