Home / 71,010.18-97,993.85-39,178.80

Finding the Fourth Proportional to 71,010.18, 97,993.85 and 39,178.80

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Solution

The fourth proportional to 71,010.18, 97,993.85 and 39,178.80 is: 54,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.18 : 97,993.85 = 39,178.80 : x
  2. Step 2: Convert to fraction form
    71,010.18/97,993.85 = 39,178.80/x
  3. Step 3: Cross multiply
    71,010.18x = 97,993.85 × 39,178.80
  4. Step 4: Simplify right side
    71,010.18x = 3,839,281,254.49
  5. Step 5: Solve for x
    x = 3,839,281,254.49/71,010.18
  6. Step 6: Final answer
    x = 54,066.63

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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.