Home / 71,171.19-98,216.21-42,882.35

Finding the Fourth Proportional to 71,171.19, 98,216.21 and 42,882.35

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Solution

The fourth proportional to 71,171.19, 98,216.21 and 42,882.35 is: 59,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,171.19 : 98,216.21 = 42,882.35 : x
  2. Step 2: Convert to fraction form
    71,171.19/98,216.21 = 42,882.35/x
  3. Step 3: Cross multiply
    71,171.19x = 98,216.21 × 42,882.35
  4. Step 4: Simplify right side
    71,171.19x = 4,211,741,509.02
  5. Step 5: Solve for x
    x = 4,211,741,509.02/71,171.19
  6. Step 6: Final answer
    x = 59,177.62

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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.