Home / 75,042.13-103,558.35-41,508.13

Finding the Fourth Proportional to 75,042.13, 103,558.35 and 41,508.13

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Solution

The fourth proportional to 75,042.13, 103,558.35 and 41,508.13 is: 57,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042.13 : 103,558.35 = 41,508.13 : x
  2. Step 2: Convert to fraction form
    75,042.13/103,558.35 = 41,508.13/x
  3. Step 3: Cross multiply
    75,042.13x = 103,558.35 × 41,508.13
  4. Step 4: Simplify right side
    75,042.13x = 4,298,513,454.39
  5. Step 5: Solve for x
    x = 4,298,513,454.39/75,042.13
  6. Step 6: Final answer
    x = 57,281.34

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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.