Home / 94,716.80-130,726.12-56,478.82

Finding the Fourth Proportional to 94,716.80, 130,726.12 and 56,478.82

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Solution

The fourth proportional to 94,716.80, 130,726.12 and 56,478.82 is: 77,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,716.80 : 130,726.12 = 56,478.82 : x
  2. Step 2: Convert to fraction form
    94,716.80/130,726.12 = 56,478.82/x
  3. Step 3: Cross multiply
    94,716.80x = 130,726.12 × 56,478.82
  4. Step 4: Simplify right side
    94,716.80x = 7,383,257,000.78
  5. Step 5: Solve for x
    x = 7,383,257,000.78/94,716.80
  6. Step 6: Final answer
    x = 77,950.87

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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.