Home / 75,291.90-112,944.84-53,743.58

Finding the Fourth Proportional to 75,291.90, 112,944.84 and 53,743.58

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Solution

The fourth proportional to 75,291.90, 112,944.84 and 53,743.58 is: 80,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.90 : 112,944.84 = 53,743.58 : x
  2. Step 2: Convert to fraction form
    75,291.90/112,944.84 = 53,743.58/x
  3. Step 3: Cross multiply
    75,291.90x = 112,944.84 × 53,743.58
  4. Step 4: Simplify right side
    75,291.90x = 6,070,060,044.13
  5. Step 5: Solve for x
    x = 6,070,060,044.13/75,291.90
  6. Step 6: Final answer
    x = 80,620.36

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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.