Home / 74,960.26-103,435.16-48,139.10

Finding the Fourth Proportional to 74,960.26, 103,435.16 and 48,139.10

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Solution

The fourth proportional to 74,960.26, 103,435.16 and 48,139.10 is: 66,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,960.26 : 103,435.16 = 48,139.10 : x
  2. Step 2: Convert to fraction form
    74,960.26/103,435.16 = 48,139.10/x
  3. Step 3: Cross multiply
    74,960.26x = 103,435.16 × 48,139.10
  4. Step 4: Simplify right side
    74,960.26x = 4,979,275,510.76
  5. Step 5: Solve for x
    x = 4,979,275,510.76/74,960.26
  6. Step 6: Final answer
    x = 66,425.54

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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.