Home / 82,301.46-123,616.21-77,659.35

Finding the Fourth Proportional to 82,301.46, 123,616.21 and 77,659.35

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Solution

The fourth proportional to 82,301.46, 123,616.21 and 77,659.35 is: 116,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,301.46 : 123,616.21 = 77,659.35 : x
  2. Step 2: Convert to fraction form
    82,301.46/123,616.21 = 77,659.35/x
  3. Step 3: Cross multiply
    82,301.46x = 123,616.21 × 77,659.35
  4. Step 4: Simplify right side
    82,301.46x = 9,599,954,518.06
  5. Step 5: Solve for x
    x = 9,599,954,518.06/82,301.46
  6. Step 6: Final answer
    x = 116,643.79

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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.