Home / 66,482.40-99,589.20-41,445.60

Finding the Fourth Proportional to 66,482.40, 99,589.20 and 41,445.60

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Solution

The fourth proportional to 66,482.40, 99,589.20 and 41,445.60 is: 62,084.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,482.40 : 99,589.20 = 41,445.60 : x
  2. Step 2: Convert to fraction form
    66,482.40/99,589.20 = 41,445.60/x
  3. Step 3: Cross multiply
    66,482.40x = 99,589.20 × 41,445.60
  4. Step 4: Simplify right side
    66,482.40x = 4,127,534,147.52
  5. Step 5: Solve for x
    x = 4,127,534,147.52/66,482.40
  6. Step 6: Final answer
    x = 62,084.61

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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.