Home / 71,521.04-98,680.20-48,591.44

Finding the Fourth Proportional to 71,521.04, 98,680.20 and 48,591.44

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Solution

The fourth proportional to 71,521.04, 98,680.20 and 48,591.44 is: 67,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,521.04 : 98,680.20 = 48,591.44 : x
  2. Step 2: Convert to fraction form
    71,521.04/98,680.20 = 48,591.44/x
  3. Step 3: Cross multiply
    71,521.04x = 98,680.20 × 48,591.44
  4. Step 4: Simplify right side
    71,521.04x = 4,795,013,017.49
  5. Step 5: Solve for x
    x = 4,795,013,017.49/71,521.04
  6. Step 6: Final answer
    x = 67,043.39

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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.