Home / 75,081.48-103,624.07-42,816.17

Finding the Fourth Proportional to 75,081.48, 103,624.07 and 42,816.17

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Solution

The fourth proportional to 75,081.48, 103,624.07 and 42,816.17 is: 59,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,081.48 : 103,624.07 = 42,816.17 : x
  2. Step 2: Convert to fraction form
    75,081.48/103,624.07 = 42,816.17/x
  3. Step 3: Cross multiply
    75,081.48x = 103,624.07 × 42,816.17
  4. Step 4: Simplify right side
    75,081.48x = 4,436,785,797.21
  5. Step 5: Solve for x
    x = 4,436,785,797.21/75,081.48
  6. Step 6: Final answer
    x = 59,092.95

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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.