Home / 77,469.14-106,882.26-45,196.58

Finding the Fourth Proportional to 77,469.14, 106,882.26 and 45,196.58

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Solution

The fourth proportional to 77,469.14, 106,882.26 and 45,196.58 is: 62,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,469.14 : 106,882.26 = 45,196.58 : x
  2. Step 2: Convert to fraction form
    77,469.14/106,882.26 = 45,196.58/x
  3. Step 3: Cross multiply
    77,469.14x = 106,882.26 × 45,196.58
  4. Step 4: Simplify right side
    77,469.14x = 4,830,712,614.67
  5. Step 5: Solve for x
    x = 4,830,712,614.67/77,469.14
  6. Step 6: Final answer
    x = 62,356.61

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1.5x scale

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.