Home / 78,443.26-108,268.41-48,254.02

Finding the Fourth Proportional to 78,443.26, 108,268.41 and 48,254.02

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Solution

The fourth proportional to 78,443.26, 108,268.41 and 48,254.02 is: 66,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,443.26 : 108,268.41 = 48,254.02 : x
  2. Step 2: Convert to fraction form
    78,443.26/108,268.41 = 48,254.02/x
  3. Step 3: Cross multiply
    78,443.26x = 108,268.41 × 48,254.02
  4. Step 4: Simplify right side
    78,443.26x = 5,224,386,021.51
  5. Step 5: Solve for x
    x = 5,224,386,021.51/78,443.26
  6. Step 6: Final answer
    x = 66,600.83

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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.