Home / 71,365.20-98,284.23-69,815.46

Finding the Fourth Proportional to 71,365.20, 98,284.23 and 69,815.46

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Solution

The fourth proportional to 71,365.20, 98,284.23 and 69,815.46 is: 96,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,365.20 : 98,284.23 = 69,815.46 : x
  2. Step 2: Convert to fraction form
    71,365.20/98,284.23 = 69,815.46/x
  3. Step 3: Cross multiply
    71,365.20x = 98,284.23 × 69,815.46
  4. Step 4: Simplify right side
    71,365.20x = 6,861,758,728.20
  5. Step 5: Solve for x
    x = 6,861,758,728.20/71,365.20
  6. Step 6: Final answer
    x = 96,149.93

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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.