Home / 75,272.23-103,877.10-41,278.69

Finding the Fourth Proportional to 75,272.23, 103,877.10 and 41,278.69

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Solution

The fourth proportional to 75,272.23, 103,877.10 and 41,278.69 is: 56,965.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.23 : 103,877.10 = 41,278.69 : x
  2. Step 2: Convert to fraction form
    75,272.23/103,877.10 = 41,278.69/x
  3. Step 3: Cross multiply
    75,272.23x = 103,877.10 × 41,278.69
  4. Step 4: Simplify right side
    75,272.23x = 4,287,909,976.52
  5. Step 5: Solve for x
    x = 4,287,909,976.52/75,272.23
  6. Step 6: Final answer
    x = 56,965.37

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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.