Home / 77,731.16-116,522.74-49,572.16

Finding the Fourth Proportional to 77,731.16, 116,522.74 and 49,572.16

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Solution

The fourth proportional to 77,731.16, 116,522.74 and 49,572.16 is: 74,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,731.16 : 116,522.74 = 49,572.16 : x
  2. Step 2: Convert to fraction form
    77,731.16/116,522.74 = 49,572.16/x
  3. Step 3: Cross multiply
    77,731.16x = 116,522.74 × 49,572.16
  4. Step 4: Simplify right side
    77,731.16x = 5,776,283,910.92
  5. Step 5: Solve for x
    x = 5,776,283,910.92/77,731.16
  6. Step 6: Final answer
    x = 74,311.05

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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.