Home / 86,957.28-120,099.60-58,614.24

Finding the Fourth Proportional to 86,957.28, 120,099.60 and 58,614.24

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Solution

The fourth proportional to 86,957.28, 120,099.60 and 58,614.24 is: 80,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,957.28 : 120,099.60 = 58,614.24 : x
  2. Step 2: Convert to fraction form
    86,957.28/120,099.60 = 58,614.24/x
  3. Step 3: Cross multiply
    86,957.28x = 120,099.60 × 58,614.24
  4. Step 4: Simplify right side
    86,957.28x = 7,039,546,778.30
  5. Step 5: Solve for x
    x = 7,039,546,778.30/86,957.28
  6. Step 6: Final answer
    x = 80,954.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.