Home / 99,287.28-148,945.50-29,157.48

Finding the Fourth Proportional to 99,287.28, 148,945.50 and 29,157.48

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Solution

The fourth proportional to 99,287.28, 148,945.50 and 29,157.48 is: 43,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,287.28 : 148,945.50 = 29,157.48 : x
  2. Step 2: Convert to fraction form
    99,287.28/148,945.50 = 29,157.48/x
  3. Step 3: Cross multiply
    99,287.28x = 148,945.50 × 29,157.48
  4. Step 4: Simplify right side
    99,287.28x = 4,342,875,437.34
  5. Step 5: Solve for x
    x = 4,342,875,437.34/99,287.28
  6. Step 6: Final answer
    x = 43,740.50

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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.