Home / 86,390.18-129,584.75-22,348.33

Finding the Fourth Proportional to 86,390.18, 129,584.75 and 22,348.33

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Solution

The fourth proportional to 86,390.18, 129,584.75 and 22,348.33 is: 33,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,390.18 : 129,584.75 = 22,348.33 : x
  2. Step 2: Convert to fraction form
    86,390.18/129,584.75 = 22,348.33/x
  3. Step 3: Cross multiply
    86,390.18x = 129,584.75 × 22,348.33
  4. Step 4: Simplify right side
    86,390.18x = 2,896,002,320.26
  5. Step 5: Solve for x
    x = 2,896,002,320.26/86,390.18
  6. Step 6: Final answer
    x = 33,522.35

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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.