Home / 71,317.85-98,425.35-42,637.61

Finding the Fourth Proportional to 71,317.85, 98,425.35 and 42,637.61

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Solution

The fourth proportional to 71,317.85, 98,425.35 and 42,637.61 is: 58,843.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317.85 : 98,425.35 = 42,637.61 : x
  2. Step 2: Convert to fraction form
    71,317.85/98,425.35 = 42,637.61/x
  3. Step 3: Cross multiply
    71,317.85x = 98,425.35 × 42,637.61
  4. Step 4: Simplify right side
    71,317.85x = 4,196,621,195.29
  5. Step 5: Solve for x
    x = 4,196,621,195.29/71,317.85
  6. Step 6: Final answer
    x = 58,843.91

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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.