Home / 71,066.73-98,072.15-39,235.63

Finding the Fourth Proportional to 71,066.73, 98,072.15 and 39,235.63

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Solution

The fourth proportional to 71,066.73, 98,072.15 and 39,235.63 is: 54,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,066.73 : 98,072.15 = 39,235.63 : x
  2. Step 2: Convert to fraction form
    71,066.73/98,072.15 = 39,235.63/x
  3. Step 3: Cross multiply
    71,066.73x = 98,072.15 × 39,235.63
  4. Step 4: Simplify right side
    71,066.73x = 3,847,922,553.93
  5. Step 5: Solve for x
    x = 3,847,922,553.93/71,066.73
  6. Step 6: Final answer
    x = 54,145.20

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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.