Home / 56,138.28-77,563.80-44,291.76

Finding the Fourth Proportional to 56,138.28, 77,563.80 and 44,291.76

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Solution

The fourth proportional to 56,138.28, 77,563.80 and 44,291.76 is: 61,195.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.28 : 77,563.80 = 44,291.76 : x
  2. Step 2: Convert to fraction form
    56,138.28/77,563.80 = 44,291.76/x
  3. Step 3: Cross multiply
    56,138.28x = 77,563.80 × 44,291.76
  4. Step 4: Simplify right side
    56,138.28x = 3,435,437,214.29
  5. Step 5: Solve for x
    x = 3,435,437,214.29/56,138.28
  6. Step 6: Final answer
    x = 61,195.98

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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.