Home / 72,014.13-108,097.29-40,451.18

Finding the Fourth Proportional to 72,014.13, 108,097.29 and 40,451.18

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Solution

The fourth proportional to 72,014.13, 108,097.29 and 40,451.18 is: 60,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.13 : 108,097.29 = 40,451.18 : x
  2. Step 2: Convert to fraction form
    72,014.13/108,097.29 = 40,451.18/x
  3. Step 3: Cross multiply
    72,014.13x = 108,097.29 × 40,451.18
  4. Step 4: Simplify right side
    72,014.13x = 4,372,662,394.82
  5. Step 5: Solve for x
    x = 4,372,662,394.82/72,014.13
  6. Step 6: Final answer
    x = 60,719.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.