Home / 44,034.40-66,051.60-42,479.20

Finding the Fourth Proportional to 44,034.40, 66,051.60 and 42,479.20

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Solution

The fourth proportional to 44,034.40, 66,051.60 and 42,479.20 is: 63,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,034.40 : 66,051.60 = 42,479.20 : x
  2. Step 2: Convert to fraction form
    44,034.40/66,051.60 = 42,479.20/x
  3. Step 3: Cross multiply
    44,034.40x = 66,051.60 × 42,479.20
  4. Step 4: Simplify right side
    44,034.40x = 2,805,819,126.72
  5. Step 5: Solve for x
    x = 2,805,819,126.72/44,034.40
  6. Step 6: Final answer
    x = 63,718.80

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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.