Home / 78,518.26-108,358.07-44,990.74

Finding the Fourth Proportional to 78,518.26, 108,358.07 and 44,990.74

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Solution

The fourth proportional to 78,518.26, 108,358.07 and 44,990.74 is: 62,088.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,518.26 : 108,358.07 = 44,990.74 : x
  2. Step 2: Convert to fraction form
    78,518.26/108,358.07 = 44,990.74/x
  3. Step 3: Cross multiply
    78,518.26x = 108,358.07 × 44,990.74
  4. Step 4: Simplify right side
    78,518.26x = 4,875,109,754.27
  5. Step 5: Solve for x
    x = 4,875,109,754.27/78,518.26
  6. Step 6: Final answer
    x = 62,088.87

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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.