Home / 55,189.01-76,162.46-39,085.13

Finding the Fourth Proportional to 55,189.01, 76,162.46 and 39,085.13

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Solution

The fourth proportional to 55,189.01, 76,162.46 and 39,085.13 is: 53,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.01 : 76,162.46 = 39,085.13 : x
  2. Step 2: Convert to fraction form
    55,189.01/76,162.46 = 39,085.13/x
  3. Step 3: Cross multiply
    55,189.01x = 76,162.46 × 39,085.13
  4. Step 4: Simplify right side
    55,189.01x = 2,976,819,073.98
  5. Step 5: Solve for x
    x = 2,976,819,073.98/55,189.01
  6. Step 6: Final answer
    x = 53,938.63

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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.