Home / 74,835.26-103,275.08-42,569.04

Finding the Fourth Proportional to 74,835.26, 103,275.08 and 42,569.04

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Solution

The fourth proportional to 74,835.26, 103,275.08 and 42,569.04 is: 58,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,835.26 : 103,275.08 = 42,569.04 : x
  2. Step 2: Convert to fraction form
    74,835.26/103,275.08 = 42,569.04/x
  3. Step 3: Cross multiply
    74,835.26x = 103,275.08 × 42,569.04
  4. Step 4: Simplify right side
    74,835.26x = 4,396,321,011.52
  5. Step 5: Solve for x
    x = 4,396,321,011.52/74,835.26
  6. Step 6: Final answer
    x = 58,746.65

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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.