Home / 75,854.16-104,672.52-42,319.44

Finding the Fourth Proportional to 75,854.16, 104,672.52 and 42,319.44

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Solution

The fourth proportional to 75,854.16, 104,672.52 and 42,319.44 is: 58,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,854.16 : 104,672.52 = 42,319.44 : x
  2. Step 2: Convert to fraction form
    75,854.16/104,672.52 = 42,319.44/x
  3. Step 3: Cross multiply
    75,854.16x = 104,672.52 × 42,319.44
  4. Step 4: Simplify right side
    75,854.16x = 4,429,682,429.79
  5. Step 5: Solve for x
    x = 4,429,682,429.79/75,854.16
  6. Step 6: Final answer
    x = 58,397.36

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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.