Home / 82,347.20-113,639.04-44,621.44

Finding the Fourth Proportional to 82,347.20, 113,639.04 and 44,621.44

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Solution

The fourth proportional to 82,347.20, 113,639.04 and 44,621.44 is: 61,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,347.20 : 113,639.04 = 44,621.44 : x
  2. Step 2: Convert to fraction form
    82,347.20/113,639.04 = 44,621.44/x
  3. Step 3: Cross multiply
    82,347.20x = 113,639.04 × 44,621.44
  4. Step 4: Simplify right side
    82,347.20x = 5,070,737,605.02
  5. Step 5: Solve for x
    x = 5,070,737,605.02/82,347.20
  6. Step 6: Final answer
    x = 61,577.54

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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.