Home / 66,437.22-99,543.06-40,086.60

Finding the Fourth Proportional to 66,437.22, 99,543.06 and 40,086.60

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Solution

The fourth proportional to 66,437.22, 99,543.06 and 40,086.60 is: 60,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,437.22 : 99,543.06 = 40,086.60 : x
  2. Step 2: Convert to fraction form
    66,437.22/99,543.06 = 40,086.60/x
  3. Step 3: Cross multiply
    66,437.22x = 99,543.06 × 40,086.60
  4. Step 4: Simplify right side
    66,437.22x = 3,990,342,829.00
  5. Step 5: Solve for x
    x = 3,990,342,829.00/66,437.22
  6. Step 6: Final answer
    x = 60,061.86

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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.