Home / 99,795.52-149,693.28-47,132.56

Finding the Fourth Proportional to 99,795.52, 149,693.28 and 47,132.56

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Solution

The fourth proportional to 99,795.52, 149,693.28 and 47,132.56 is: 70,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795.52 : 149,693.28 = 47,132.56 : x
  2. Step 2: Convert to fraction form
    99,795.52/149,693.28 = 47,132.56/x
  3. Step 3: Cross multiply
    99,795.52x = 149,693.28 × 47,132.56
  4. Step 4: Simplify right side
    99,795.52x = 7,055,427,501.20
  5. Step 5: Solve for x
    x = 7,055,427,501.20/99,795.52
  6. Step 6: Final answer
    x = 70,698.84

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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.