Home / 56,013.64-77,299.06-30,863.14

Finding the Fourth Proportional to 56,013.64, 77,299.06 and 30,863.14

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Solution

The fourth proportional to 56,013.64, 77,299.06 and 30,863.14 is: 42,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,013.64 : 77,299.06 = 30,863.14 : x
  2. Step 2: Convert to fraction form
    56,013.64/77,299.06 = 30,863.14/x
  3. Step 3: Cross multiply
    56,013.64x = 77,299.06 × 30,863.14
  4. Step 4: Simplify right side
    56,013.64x = 2,385,691,710.65
  5. Step 5: Solve for x
    x = 2,385,691,710.65/56,013.64
  6. Step 6: Final answer
    x = 42,591.26

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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.