Home / 52,334.40-72,211.68-31,118.88

Finding the Fourth Proportional to 52,334.40, 72,211.68 and 31,118.88

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Solution

The fourth proportional to 52,334.40, 72,211.68 and 31,118.88 is: 42,938.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,334.40 : 72,211.68 = 31,118.88 : x
  2. Step 2: Convert to fraction form
    52,334.40/72,211.68 = 31,118.88/x
  3. Step 3: Cross multiply
    52,334.40x = 72,211.68 × 31,118.88
  4. Step 4: Simplify right side
    52,334.40x = 2,247,146,604.52
  5. Step 5: Solve for x
    x = 2,247,146,604.52/52,334.40
  6. Step 6: Final answer
    x = 42,938.23

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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.