Home / 99,275.63-148,931.89-32,720.43

Finding the Fourth Proportional to 99,275.63, 148,931.89 and 32,720.43

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Solution

The fourth proportional to 99,275.63, 148,931.89 and 32,720.43 is: 49,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,275.63 : 148,931.89 = 32,720.43 : x
  2. Step 2: Convert to fraction form
    99,275.63/148,931.89 = 32,720.43/x
  3. Step 3: Cross multiply
    99,275.63x = 148,931.89 × 32,720.43
  4. Step 4: Simplify right side
    99,275.63x = 4,873,115,399.71
  5. Step 5: Solve for x
    x = 4,873,115,399.71/99,275.63
  6. Step 6: Final answer
    x = 49,086.73

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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.