Home / 82,962.16-124,443.68-20,632.66

Finding the Fourth Proportional to 82,962.16, 124,443.68 and 20,632.66

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Solution

The fourth proportional to 82,962.16, 124,443.68 and 20,632.66 is: 30,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962.16 : 124,443.68 = 20,632.66 : x
  2. Step 2: Convert to fraction form
    82,962.16/124,443.68 = 20,632.66/x
  3. Step 3: Cross multiply
    82,962.16x = 124,443.68 × 20,632.66
  4. Step 4: Simplify right side
    82,962.16x = 2,567,603,724.32
  5. Step 5: Solve for x
    x = 2,567,603,724.32/82,962.16
  6. Step 6: Final answer
    x = 30,949.10

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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.