Home / 83,515.19-125,141.39-64,586.16

Finding the Fourth Proportional to 83,515.19, 125,141.39 and 64,586.16

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Solution

The fourth proportional to 83,515.19, 125,141.39 and 64,586.16 is: 96,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,515.19 : 125,141.39 = 64,586.16 : x
  2. Step 2: Convert to fraction form
    83,515.19/125,141.39 = 64,586.16/x
  3. Step 3: Cross multiply
    83,515.19x = 125,141.39 × 64,586.16
  4. Step 4: Simplify right side
    83,515.19x = 8,082,401,756.43
  5. Step 5: Solve for x
    x = 8,082,401,756.43/83,515.19
  6. Step 6: Final answer
    x = 96,777.63

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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.