Home / 125,876.02-173,763.33-90,003.70

Finding the Fourth Proportional to 125,876.02, 173,763.33 and 90,003.70

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Solution

The fourth proportional to 125,876.02, 173,763.33 and 90,003.70 is: 124,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.02 : 173,763.33 = 90,003.70 : x
  2. Step 2: Convert to fraction form
    125,876.02/173,763.33 = 90,003.70/x
  3. Step 3: Cross multiply
    125,876.02x = 173,763.33 × 90,003.70
  4. Step 4: Simplify right side
    125,876.02x = 15,639,342,624.32
  5. Step 5: Solve for x
    x = 15,639,342,624.32/125,876.02
  6. Step 6: Final answer
    x = 124,244.02

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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.