Home / 71,114.13-98,135.46-39,282.35

Finding the Fourth Proportional to 71,114.13, 98,135.46 and 39,282.35

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Solution

The fourth proportional to 71,114.13, 98,135.46 and 39,282.35 is: 54,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114.13 : 98,135.46 = 39,282.35 : x
  2. Step 2: Convert to fraction form
    71,114.13/98,135.46 = 39,282.35/x
  3. Step 3: Cross multiply
    71,114.13x = 98,135.46 × 39,282.35
  4. Step 4: Simplify right side
    71,114.13x = 3,854,990,996.45
  5. Step 5: Solve for x
    x = 3,854,990,996.45/71,114.13
  6. Step 6: Final answer
    x = 54,208.51

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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.