Home / 86,259.72-129,388.34-27,098.94

Finding the Fourth Proportional to 86,259.72, 129,388.34 and 27,098.94

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Solution

The fourth proportional to 86,259.72, 129,388.34 and 27,098.94 is: 40,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,259.72 : 129,388.34 = 27,098.94 : x
  2. Step 2: Convert to fraction form
    86,259.72/129,388.34 = 27,098.94/x
  3. Step 3: Cross multiply
    86,259.72x = 129,388.34 × 27,098.94
  4. Step 4: Simplify right side
    86,259.72x = 3,506,286,862.36
  5. Step 5: Solve for x
    x = 3,506,286,862.36/86,259.72
  6. Step 6: Final answer
    x = 40,648.02

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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.