Home / 86,223.72-129,341.04-27,061.73

Finding the Fourth Proportional to 86,223.72, 129,341.04 and 27,061.73

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Solution

The fourth proportional to 86,223.72, 129,341.04 and 27,061.73 is: 40,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,223.72 : 129,341.04 = 27,061.73 : x
  2. Step 2: Convert to fraction form
    86,223.72/129,341.04 = 27,061.73/x
  3. Step 3: Cross multiply
    86,223.72x = 129,341.04 × 27,061.73
  4. Step 4: Simplify right side
    86,223.72x = 3,500,192,302.40
  5. Step 5: Solve for x
    x = 3,500,192,302.40/86,223.72
  6. Step 6: Final answer
    x = 40,594.31

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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.