Home / 86,056.01-129,079.91-32,760.23

Finding the Fourth Proportional to 86,056.01, 129,079.91 and 32,760.23

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Solution

The fourth proportional to 86,056.01, 129,079.91 and 32,760.23 is: 49,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.01 : 129,079.91 = 32,760.23 : x
  2. Step 2: Convert to fraction form
    86,056.01/129,079.91 = 32,760.23/x
  3. Step 3: Cross multiply
    86,056.01x = 129,079.91 × 32,760.23
  4. Step 4: Simplify right side
    86,056.01x = 4,228,686,730.78
  5. Step 5: Solve for x
    x = 4,228,686,730.78/86,056.01
  6. Step 6: Final answer
    x = 49,138.78

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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.