Home / 82,316.25-123,482.64-22,345.74

Finding the Fourth Proportional to 82,316.25, 123,482.64 and 22,345.74

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Solution

The fourth proportional to 82,316.25, 123,482.64 and 22,345.74 is: 33,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,316.25 : 123,482.64 = 22,345.74 : x
  2. Step 2: Convert to fraction form
    82,316.25/123,482.64 = 22,345.74/x
  3. Step 3: Cross multiply
    82,316.25x = 123,482.64 × 22,345.74
  4. Step 4: Simplify right side
    82,316.25x = 2,759,310,967.95
  5. Step 5: Solve for x
    x = 2,759,310,967.95/82,316.25
  6. Step 6: Final answer
    x = 33,520.85

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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.