Home / 86,862.04-130,314.28-27,697.72

Finding the Fourth Proportional to 86,862.04, 130,314.28 and 27,697.72

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Solution

The fourth proportional to 86,862.04, 130,314.28 and 27,697.72 is: 41,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,862.04 : 130,314.28 = 27,697.72 : x
  2. Step 2: Convert to fraction form
    86,862.04/130,314.28 = 27,697.72/x
  3. Step 3: Cross multiply
    86,862.04x = 130,314.28 × 27,697.72
  4. Step 4: Simplify right side
    86,862.04x = 3,609,408,439.44
  5. Step 5: Solve for x
    x = 3,609,408,439.44/86,862.04
  6. Step 6: Final answer
    x = 41,553.35

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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.