Home / 71,288.01-98,375.99-39,455.01

Finding the Fourth Proportional to 71,288.01, 98,375.99 and 39,455.01

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Solution

The fourth proportional to 71,288.01, 98,375.99 and 39,455.01 is: 54,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.01 : 98,375.99 = 39,455.01 : x
  2. Step 2: Convert to fraction form
    71,288.01/98,375.99 = 39,455.01/x
  3. Step 3: Cross multiply
    71,288.01x = 98,375.99 × 39,455.01
  4. Step 4: Simplify right side
    71,288.01x = 3,881,425,471.93
  5. Step 5: Solve for x
    x = 3,881,425,471.93/71,288.01
  6. Step 6: Final answer
    x = 54,447.10

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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.