Home / 51,853.20-77,403.30-48,207.12

Finding the Fourth Proportional to 51,853.20, 77,403.30 and 48,207.12

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Solution

The fourth proportional to 51,853.20, 77,403.30 and 48,207.12 is: 71,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,853.20 : 77,403.30 = 48,207.12 : x
  2. Step 2: Convert to fraction form
    51,853.20/77,403.30 = 48,207.12/x
  3. Step 3: Cross multiply
    51,853.20x = 77,403.30 × 48,207.12
  4. Step 4: Simplify right side
    51,853.20x = 3,731,390,171.50
  5. Step 5: Solve for x
    x = 3,731,390,171.50/51,853.20
  6. Step 6: Final answer
    x = 71,960.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.