Home / 99,909.13-149,922.81-36,773.60

Finding the Fourth Proportional to 99,909.13, 149,922.81 and 36,773.60

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Solution

The fourth proportional to 99,909.13, 149,922.81 and 36,773.60 is: 55,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,909.13 : 149,922.81 = 36,773.60 : x
  2. Step 2: Convert to fraction form
    99,909.13/149,922.81 = 36,773.60/x
  3. Step 3: Cross multiply
    99,909.13x = 149,922.81 × 36,773.60
  4. Step 4: Simplify right side
    99,909.13x = 5,513,201,445.82
  5. Step 5: Solve for x
    x = 5,513,201,445.82/99,909.13
  6. Step 6: Final answer
    x = 55,182.16

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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.