Home / 77,422.44-106,821.00-45,158.47

Finding the Fourth Proportional to 77,422.44, 106,821.00 and 45,158.47

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Solution

The fourth proportional to 77,422.44, 106,821.00 and 45,158.47 is: 62,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,422.44 : 106,821.00 = 45,158.47 : x
  2. Step 2: Convert to fraction form
    77,422.44/106,821.00 = 45,158.47/x
  3. Step 3: Cross multiply
    77,422.44x = 106,821.00 × 45,158.47
  4. Step 4: Simplify right side
    77,422.44x = 4,823,872,769.71
  5. Step 5: Solve for x
    x = 4,823,872,769.71/77,422.44
  6. Step 6: Final answer
    x = 62,305.87

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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.