Home / 82,316.25-123,316.61-48,935.25

Finding the Fourth Proportional to 82,316.25, 123,316.61 and 48,935.25

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Solution

The fourth proportional to 82,316.25, 123,316.61 and 48,935.25 is: 73,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,316.25 : 123,316.61 = 48,935.25 : x
  2. Step 2: Convert to fraction form
    82,316.25/123,316.61 = 48,935.25/x
  3. Step 3: Cross multiply
    82,316.25x = 123,316.61 × 48,935.25
  4. Step 4: Simplify right side
    82,316.25x = 6,034,528,894.83
  5. Step 5: Solve for x
    x = 6,034,528,894.83/82,316.25
  6. Step 6: Final answer
    x = 73,309.08

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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.