Home / 99,444.74-149,144.31-28,366.02

Finding the Fourth Proportional to 99,444.74, 149,144.31 and 28,366.02

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Solution

The fourth proportional to 99,444.74, 149,144.31 and 28,366.02 is: 42,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,444.74 : 149,144.31 = 28,366.02 : x
  2. Step 2: Convert to fraction form
    99,444.74/149,144.31 = 28,366.02/x
  3. Step 3: Cross multiply
    99,444.74x = 149,144.31 × 28,366.02
  4. Step 4: Simplify right side
    99,444.74x = 4,230,630,480.35
  5. Step 5: Solve for x
    x = 4,230,630,480.35/99,444.74
  6. Step 6: Final answer
    x = 42,542.53

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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.