Home / 84,882.72-127,320.12-34,950.36

Finding the Fourth Proportional to 84,882.72, 127,320.12 and 34,950.36

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Solution

The fourth proportional to 84,882.72, 127,320.12 and 34,950.36 is: 52,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,882.72 : 127,320.12 = 34,950.36 : x
  2. Step 2: Convert to fraction form
    84,882.72/127,320.12 = 34,950.36/x
  3. Step 3: Cross multiply
    84,882.72x = 127,320.12 × 34,950.36
  4. Step 4: Simplify right side
    84,882.72x = 4,449,884,029.24
  5. Step 5: Solve for x
    x = 4,449,884,029.24/84,882.72
  6. Step 6: Final answer
    x = 52,423.91

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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.