Home / 115,543.12-173,279.40-48,982

Finding the Fourth Proportional to 115,543.12, 173,279.40 and 48,982

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Solution

The fourth proportional to 115,543.12, 173,279.40 and 48,982 is: 73,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543.12 : 173,279.40 = 48,982 : x
  2. Step 2: Convert to fraction form
    115,543.12/173,279.40 = 48,982/x
  3. Step 3: Cross multiply
    115,543.12x = 173,279.40 × 48,982
  4. Step 4: Simplify right side
    115,543.12x = 8,487,571,570.80
  5. Step 5: Solve for x
    x = 8,487,571,570.80/115,543.12
  6. Step 6: Final answer
    x = 73,458.04

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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.