Home / 115,823.42-159,836.38-64,836.24

Finding the Fourth Proportional to 115,823.42, 159,836.38 and 64,836.24

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Solution

The fourth proportional to 115,823.42, 159,836.38 and 64,836.24 is: 89,474.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,823.42 : 159,836.38 = 64,836.24 : x
  2. Step 2: Convert to fraction form
    115,823.42/159,836.38 = 64,836.24/x
  3. Step 3: Cross multiply
    115,823.42x = 159,836.38 × 64,836.24
  4. Step 4: Simplify right side
    115,823.42x = 10,363,190,481.55
  5. Step 5: Solve for x
    x = 10,363,190,481.55/115,823.42
  6. Step 6: Final answer
    x = 89,474.05

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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.