Home / 99,771.16-149,612.70-37,397.92

Finding the Fourth Proportional to 99,771.16, 149,612.70 and 37,397.92

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Solution

The fourth proportional to 99,771.16, 149,612.70 and 37,397.92 is: 56,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,771.16 : 149,612.70 = 37,397.92 : x
  2. Step 2: Convert to fraction form
    99,771.16/149,612.70 = 37,397.92/x
  3. Step 3: Cross multiply
    99,771.16x = 149,612.70 × 37,397.92
  4. Step 4: Simplify right side
    99,771.16x = 5,595,203,785.58
  5. Step 5: Solve for x
    x = 5,595,203,785.58/99,771.16
  6. Step 6: Final answer
    x = 56,080.37

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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.