Home / 99,725.12-149,543.84-37,351.88

Finding the Fourth Proportional to 99,725.12, 149,543.84 and 37,351.88

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Solution

The fourth proportional to 99,725.12, 149,543.84 and 37,351.88 is: 56,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,725.12 : 149,543.84 = 37,351.88 : x
  2. Step 2: Convert to fraction form
    99,725.12/149,543.84 = 37,351.88/x
  3. Step 3: Cross multiply
    99,725.12x = 149,543.84 × 37,351.88
  4. Step 4: Simplify right side
    99,725.12x = 5,585,743,566.42
  5. Step 5: Solve for x
    x = 5,585,743,566.42/99,725.12
  6. Step 6: Final answer
    x = 56,011.40

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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.