Home / 78,425.16-108,226.44-44,440.12

Finding the Fourth Proportional to 78,425.16, 108,226.44 and 44,440.12

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Solution

The fourth proportional to 78,425.16, 108,226.44 and 44,440.12 is: 61,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,425.16 : 108,226.44 = 44,440.12 : x
  2. Step 2: Convert to fraction form
    78,425.16/108,226.44 = 44,440.12/x
  3. Step 3: Cross multiply
    78,425.16x = 108,226.44 × 44,440.12
  4. Step 4: Simplify right side
    78,425.16x = 4,809,595,686.68
  5. Step 5: Solve for x
    x = 4,809,595,686.68/78,425.16
  6. Step 6: Final answer
    x = 61,327.20

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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.