Home / 58,695.38-80,872.88-39,799.70

Finding the Fourth Proportional to 58,695.38, 80,872.88 and 39,799.70

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Solution

The fourth proportional to 58,695.38, 80,872.88 and 39,799.70 is: 54,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,695.38 : 80,872.88 = 39,799.70 : x
  2. Step 2: Convert to fraction form
    58,695.38/80,872.88 = 39,799.70/x
  3. Step 3: Cross multiply
    58,695.38x = 80,872.88 × 39,799.70
  4. Step 4: Simplify right side
    58,695.38x = 3,218,716,362.14
  5. Step 5: Solve for x
    x = 3,218,716,362.14/58,695.38
  6. Step 6: Final answer
    x = 54,837.64

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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.