Home / 99,074.42-148,357.90-54,651.80

Finding the Fourth Proportional to 99,074.42, 148,357.90 and 54,651.80

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Solution

The fourth proportional to 99,074.42, 148,357.90 and 54,651.80 is: 81,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,074.42 : 148,357.90 = 54,651.80 : x
  2. Step 2: Convert to fraction form
    99,074.42/148,357.90 = 54,651.80/x
  3. Step 3: Cross multiply
    99,074.42x = 148,357.90 × 54,651.80
  4. Step 4: Simplify right side
    99,074.42x = 8,108,026,279.22
  5. Step 5: Solve for x
    x = 8,108,026,279.22/99,074.42
  6. Step 6: Final answer
    x = 81,837.74

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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.