Home / 83,620.20-125,541.60-48,585

Finding the Fourth Proportional to 83,620.20, 125,541.60 and 48,585

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Solution

The fourth proportional to 83,620.20, 125,541.60 and 48,585 is: 72,942.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,620.20 : 125,541.60 = 48,585 : x
  2. Step 2: Convert to fraction form
    83,620.20/125,541.60 = 48,585/x
  3. Step 3: Cross multiply
    83,620.20x = 125,541.60 × 48,585
  4. Step 4: Simplify right side
    83,620.20x = 6,099,438,636
  5. Step 5: Solve for x
    x = 6,099,438,636/83,620.20
  6. Step 6: Final answer
    x = 72,942.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.