Home / 99,567.76-149,319.18-36,373.36

Finding the Fourth Proportional to 99,567.76, 149,319.18 and 36,373.36

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Solution

The fourth proportional to 99,567.76, 149,319.18 and 36,373.36 is: 54,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567.76 : 149,319.18 = 36,373.36 : x
  2. Step 2: Convert to fraction form
    99,567.76/149,319.18 = 36,373.36/x
  3. Step 3: Cross multiply
    99,567.76x = 149,319.18 × 36,373.36
  4. Step 4: Simplify right side
    99,567.76x = 5,431,240,289.04
  5. Step 5: Solve for x
    x = 5,431,240,289.04/99,567.76
  6. Step 6: Final answer
    x = 54,548.18

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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.