Home / 71,815.44-99,158.76-43,559.52

Finding the Fourth Proportional to 71,815.44, 99,158.76 and 43,559.52

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Solution

The fourth proportional to 71,815.44, 99,158.76 and 43,559.52 is: 60,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,815.44 : 99,158.76 = 43,559.52 : x
  2. Step 2: Convert to fraction form
    71,815.44/99,158.76 = 43,559.52/x
  3. Step 3: Cross multiply
    71,815.44x = 99,158.76 × 43,559.52
  4. Step 4: Simplify right side
    71,815.44x = 4,319,307,989.40
  5. Step 5: Solve for x
    x = 4,319,307,989.40/71,815.44
  6. Step 6: Final answer
    x = 60,144.56

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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.