Home / 104,373.27-143,926.20-61,923.60

Finding the Fourth Proportional to 104,373.27, 143,926.20 and 61,923.60

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Solution

The fourth proportional to 104,373.27, 143,926.20 and 61,923.60 is: 85,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,373.27 : 143,926.20 = 61,923.60 : x
  2. Step 2: Convert to fraction form
    104,373.27/143,926.20 = 61,923.60/x
  3. Step 3: Cross multiply
    104,373.27x = 143,926.20 × 61,923.60
  4. Step 4: Simplify right side
    104,373.27x = 8,912,428,438.32
  5. Step 5: Solve for x
    x = 8,912,428,438.32/104,373.27
  6. Step 6: Final answer
    x = 85,389.95

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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.