Home / 75,044.60-112,525.32-30,702.48

Finding the Fourth Proportional to 75,044.60, 112,525.32 and 30,702.48

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Solution

The fourth proportional to 75,044.60, 112,525.32 and 30,702.48 is: 46,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,044.60 : 112,525.32 = 30,702.48 : x
  2. Step 2: Convert to fraction form
    75,044.60/112,525.32 = 30,702.48/x
  3. Step 3: Cross multiply
    75,044.60x = 112,525.32 × 30,702.48
  4. Step 4: Simplify right side
    75,044.60x = 3,454,806,386.79
  5. Step 5: Solve for x
    x = 3,454,806,386.79/75,044.60
  6. Step 6: Final answer
    x = 46,036.71

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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.