Home / 99,388.87-149,084.12-36,254.23

Finding the Fourth Proportional to 99,388.87, 149,084.12 and 36,254.23

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Solution

The fourth proportional to 99,388.87, 149,084.12 and 36,254.23 is: 54,381.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,388.87 : 149,084.12 = 36,254.23 : x
  2. Step 2: Convert to fraction form
    99,388.87/149,084.12 = 36,254.23/x
  3. Step 3: Cross multiply
    99,388.87x = 149,084.12 × 36,254.23
  4. Step 4: Simplify right side
    99,388.87x = 5,404,929,693.75
  5. Step 5: Solve for x
    x = 5,404,929,693.75/99,388.87
  6. Step 6: Final answer
    x = 54,381.64

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1.5x scale

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.