Home / 44,543.72-66,729.47-30,470.38

Finding the Fourth Proportional to 44,543.72, 66,729.47 and 30,470.38

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Solution

The fourth proportional to 44,543.72, 66,729.47 and 30,470.38 is: 45,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,543.72 : 66,729.47 = 30,470.38 : x
  2. Step 2: Convert to fraction form
    44,543.72/66,729.47 = 30,470.38/x
  3. Step 3: Cross multiply
    44,543.72x = 66,729.47 × 30,470.38
  4. Step 4: Simplify right side
    44,543.72x = 2,033,272,160.32
  5. Step 5: Solve for x
    x = 2,033,272,160.32/44,543.72
  6. Step 6: Final answer
    x = 45,646.66

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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.