Home / 82,392.20-113,702.12-48,402.11

Finding the Fourth Proportional to 82,392.20, 113,702.12 and 48,402.11

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Solution

The fourth proportional to 82,392.20, 113,702.12 and 48,402.11 is: 66,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,392.20 : 113,702.12 = 48,402.11 : x
  2. Step 2: Convert to fraction form
    82,392.20/113,702.12 = 48,402.11/x
  3. Step 3: Cross multiply
    82,392.20x = 113,702.12 × 48,402.11
  4. Step 4: Simplify right side
    82,392.20x = 5,503,423,228.68
  5. Step 5: Solve for x
    x = 5,503,423,228.68/82,392.20
  6. Step 6: Final answer
    x = 66,795.44

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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.