Home / 77,580.95-116,288.72-44,229.20

Finding the Fourth Proportional to 77,580.95, 116,288.72 and 44,229.20

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Solution

The fourth proportional to 77,580.95, 116,288.72 and 44,229.20 is: 66,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,580.95 : 116,288.72 = 44,229.20 : x
  2. Step 2: Convert to fraction form
    77,580.95/116,288.72 = 44,229.20/x
  3. Step 3: Cross multiply
    77,580.95x = 116,288.72 × 44,229.20
  4. Step 4: Simplify right side
    77,580.95x = 5,143,356,473.18
  5. Step 5: Solve for x
    x = 5,143,356,473.18/77,580.95
  6. Step 6: Final answer
    x = 66,296.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.