Home / 66,599.34-91,908.45-38,306.85

Finding the Fourth Proportional to 66,599.34, 91,908.45 and 38,306.85

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Solution

The fourth proportional to 66,599.34, 91,908.45 and 38,306.85 is: 52,864.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,599.34 : 91,908.45 = 38,306.85 : x
  2. Step 2: Convert to fraction form
    66,599.34/91,908.45 = 38,306.85/x
  3. Step 3: Cross multiply
    66,599.34x = 91,908.45 × 38,306.85
  4. Step 4: Simplify right side
    66,599.34x = 3,520,723,207.88
  5. Step 5: Solve for x
    x = 3,520,723,207.88/66,599.34
  6. Step 6: Final answer
    x = 52,864.24

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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.