Home / 58,091.79-80,191.10-39,254.43

Finding the Fourth Proportional to 58,091.79, 80,191.10 and 39,254.43

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Solution

The fourth proportional to 58,091.79, 80,191.10 and 39,254.43 is: 54,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,091.79 : 80,191.10 = 39,254.43 : x
  2. Step 2: Convert to fraction form
    58,091.79/80,191.10 = 39,254.43/x
  3. Step 3: Cross multiply
    58,091.79x = 80,191.10 × 39,254.43
  4. Step 4: Simplify right side
    58,091.79x = 3,147,855,725.30
  5. Step 5: Solve for x
    x = 3,147,855,725.30/58,091.79
  6. Step 6: Final answer
    x = 54,187.62

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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.