Home / 77,410.17-116,115.12-51,108.75

Finding the Fourth Proportional to 77,410.17, 116,115.12 and 51,108.75

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Solution

The fourth proportional to 77,410.17, 116,115.12 and 51,108.75 is: 76,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,410.17 : 116,115.12 = 51,108.75 : x
  2. Step 2: Convert to fraction form
    77,410.17/116,115.12 = 51,108.75/x
  3. Step 3: Cross multiply
    77,410.17x = 116,115.12 × 51,108.75
  4. Step 4: Simplify right side
    77,410.17x = 5,934,498,639.30
  5. Step 5: Solve for x
    x = 5,934,498,639.30/77,410.17
  6. Step 6: Final answer
    x = 76,663.04

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1.5x scale

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.