Home / 53,686.49-80,531.42-25,609.59

Finding the Fourth Proportional to 53,686.49, 80,531.42 and 25,609.59

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Solution

The fourth proportional to 53,686.49, 80,531.42 and 25,609.59 is: 38,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.49 : 80,531.42 = 25,609.59 : x
  2. Step 2: Convert to fraction form
    53,686.49/80,531.42 = 25,609.59/x
  3. Step 3: Cross multiply
    53,686.49x = 80,531.42 × 25,609.59
  4. Step 4: Simplify right side
    53,686.49x = 2,062,376,520.27
  5. Step 5: Solve for x
    x = 2,062,376,520.27/53,686.49
  6. Step 6: Final answer
    x = 38,415.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.