Home / 82,302.24-123,147.18-49,040.40

Finding the Fourth Proportional to 82,302.24, 123,147.18 and 49,040.40

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Solution

The fourth proportional to 82,302.24, 123,147.18 and 49,040.40 is: 73,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,302.24 : 123,147.18 = 49,040.40 : x
  2. Step 2: Convert to fraction form
    82,302.24/123,147.18 = 49,040.40/x
  3. Step 3: Cross multiply
    82,302.24x = 123,147.18 × 49,040.40
  4. Step 4: Simplify right side
    82,302.24x = 6,039,186,966.07
  5. Step 5: Solve for x
    x = 6,039,186,966.07/82,302.24
  6. Step 6: Final answer
    x = 73,378.16

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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.