Home / 78,440.26-108,264.27-48,251.02

Finding the Fourth Proportional to 78,440.26, 108,264.27 and 48,251.02

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Solution

The fourth proportional to 78,440.26, 108,264.27 and 48,251.02 is: 66,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,440.26 : 108,264.27 = 48,251.02 : x
  2. Step 2: Convert to fraction form
    78,440.26/108,264.27 = 48,251.02/x
  3. Step 3: Cross multiply
    78,440.26x = 108,264.27 × 48,251.02
  4. Step 4: Simplify right side
    78,440.26x = 5,223,861,457.06
  5. Step 5: Solve for x
    x = 5,223,861,457.06/78,440.26
  6. Step 6: Final answer
    x = 66,596.69

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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.