Home / 78,444.26-108,269.79-48,255.02

Finding the Fourth Proportional to 78,444.26, 108,269.79 and 48,255.02

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Solution

The fourth proportional to 78,444.26, 108,269.79 and 48,255.02 is: 66,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,444.26 : 108,269.79 = 48,255.02 : x
  2. Step 2: Convert to fraction form
    78,444.26/108,269.79 = 48,255.02/x
  3. Step 3: Cross multiply
    78,444.26x = 108,269.79 × 48,255.02
  4. Step 4: Simplify right side
    78,444.26x = 5,224,560,881.85
  5. Step 5: Solve for x
    x = 5,224,560,881.85/78,444.26
  6. Step 6: Final answer
    x = 66,602.21

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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.