Home / 86,832.18-130,248.30-40,059.54

Finding the Fourth Proportional to 86,832.18, 130,248.30 and 40,059.54

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Solution

The fourth proportional to 86,832.18, 130,248.30 and 40,059.54 is: 60,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,832.18 : 130,248.30 = 40,059.54 : x
  2. Step 2: Convert to fraction form
    86,832.18/130,248.30 = 40,059.54/x
  3. Step 3: Cross multiply
    86,832.18x = 130,248.30 × 40,059.54
  4. Step 4: Simplify right side
    86,832.18x = 5,217,686,983.78
  5. Step 5: Solve for x
    x = 5,217,686,983.78/86,832.18
  6. Step 6: Final answer
    x = 60,089.32

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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.