Home / 80,955.61-111,716.28-45,151.68

Finding the Fourth Proportional to 80,955.61, 111,716.28 and 45,151.68

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Solution

The fourth proportional to 80,955.61, 111,716.28 and 45,151.68 is: 62,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,955.61 : 111,716.28 = 45,151.68 : x
  2. Step 2: Convert to fraction form
    80,955.61/111,716.28 = 45,151.68/x
  3. Step 3: Cross multiply
    80,955.61x = 111,716.28 × 45,151.68
  4. Step 4: Simplify right side
    80,955.61x = 5,044,177,725.35
  5. Step 5: Solve for x
    x = 5,044,177,725.35/80,955.61
  6. Step 6: Final answer
    x = 62,307.95

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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.