Home / 47,854.26-71,781.66-42,613.56

Finding the Fourth Proportional to 47,854.26, 71,781.66 and 42,613.56

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Solution

The fourth proportional to 47,854.26, 71,781.66 and 42,613.56 is: 63,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.26 : 71,781.66 = 42,613.56 : x
  2. Step 2: Convert to fraction form
    47,854.26/71,781.66 = 42,613.56/x
  3. Step 3: Cross multiply
    47,854.26x = 71,781.66 × 42,613.56
  4. Step 4: Simplify right side
    47,854.26x = 3,058,872,075.31
  5. Step 5: Solve for x
    x = 3,058,872,075.31/47,854.26
  6. Step 6: Final answer
    x = 63,920.58

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1.5x scale

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.