Home / 48,139.22-66,435.19-26,918.48

Finding the Fourth Proportional to 48,139.22, 66,435.19 and 26,918.48

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Solution

The fourth proportional to 48,139.22, 66,435.19 and 26,918.48 is: 37,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.22 : 66,435.19 = 26,918.48 : x
  2. Step 2: Convert to fraction form
    48,139.22/66,435.19 = 26,918.48/x
  3. Step 3: Cross multiply
    48,139.22x = 66,435.19 × 26,918.48
  4. Step 4: Simplify right side
    48,139.22x = 1,788,334,432.10
  5. Step 5: Solve for x
    x = 1,788,334,432.10/48,139.22
  6. Step 6: Final answer
    x = 37,149.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.