Home / 71,157.06-98,195.85-38,891.52

Finding the Fourth Proportional to 71,157.06, 98,195.85 and 38,891.52

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Solution

The fourth proportional to 71,157.06, 98,195.85 and 38,891.52 is: 53,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157.06 : 98,195.85 = 38,891.52 : x
  2. Step 2: Convert to fraction form
    71,157.06/98,195.85 = 38,891.52/x
  3. Step 3: Cross multiply
    71,157.06x = 98,195.85 × 38,891.52
  4. Step 4: Simplify right side
    71,157.06x = 3,818,985,864.19
  5. Step 5: Solve for x
    x = 3,818,985,864.19/71,157.06
  6. Step 6: Final answer
    x = 53,669.81

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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.