Home / 77,106.24-106,404.72-43,115.04

Finding the Fourth Proportional to 77,106.24, 106,404.72 and 43,115.04

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Solution

The fourth proportional to 77,106.24, 106,404.72 and 43,115.04 is: 59,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,106.24 : 106,404.72 = 43,115.04 : x
  2. Step 2: Convert to fraction form
    77,106.24/106,404.72 = 43,115.04/x
  3. Step 3: Cross multiply
    77,106.24x = 106,404.72 × 43,115.04
  4. Step 4: Simplify right side
    77,106.24x = 4,587,643,758.99
  5. Step 5: Solve for x
    x = 4,587,643,758.99/77,106.24
  6. Step 6: Final answer
    x = 59,497.70

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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.