Home / 55,005.20-75,907.17-29,854.70

Finding the Fourth Proportional to 55,005.20, 75,907.17 and 29,854.70

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Solution

The fourth proportional to 55,005.20, 75,907.17 and 29,854.70 is: 41,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.20 : 75,907.17 = 29,854.70 : x
  2. Step 2: Convert to fraction form
    55,005.20/75,907.17 = 29,854.70/x
  3. Step 3: Cross multiply
    55,005.20x = 75,907.17 × 29,854.70
  4. Step 4: Simplify right side
    55,005.20x = 2,266,185,408.66
  5. Step 5: Solve for x
    x = 2,266,185,408.66/55,005.20
  6. Step 6: Final answer
    x = 41,199.48

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1.5x scale

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.