Home / 77,715.64-116,690.10-44,473.24

Finding the Fourth Proportional to 77,715.64, 116,690.10 and 44,473.24

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Solution

The fourth proportional to 77,715.64, 116,690.10 and 44,473.24 is: 66,776.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,715.64 : 116,690.10 = 44,473.24 : x
  2. Step 2: Convert to fraction form
    77,715.64/116,690.10 = 44,473.24/x
  3. Step 3: Cross multiply
    77,715.64x = 116,690.10 × 44,473.24
  4. Step 4: Simplify right side
    77,715.64x = 5,189,586,822.92
  5. Step 5: Solve for x
    x = 5,189,586,822.92/77,715.64
  6. Step 6: Final answer
    x = 66,776.61

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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.