Home / 66,175.40-99,117.30-58,788.20

Finding the Fourth Proportional to 66,175.40, 99,117.30 and 58,788.20

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Solution

The fourth proportional to 66,175.40, 99,117.30 and 58,788.20 is: 88,052.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,175.40 : 99,117.30 = 58,788.20 : x
  2. Step 2: Convert to fraction form
    66,175.40/99,117.30 = 58,788.20/x
  3. Step 3: Cross multiply
    66,175.40x = 99,117.30 × 58,788.20
  4. Step 4: Simplify right side
    66,175.40x = 5,826,927,655.86
  5. Step 5: Solve for x
    x = 5,826,927,655.86/66,175.40
  6. Step 6: Final answer
    x = 88,052.78

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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.