Home / 82,415.24-123,316.66-49,153.40

Finding the Fourth Proportional to 82,415.24, 123,316.66 and 49,153.40

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Solution

The fourth proportional to 82,415.24, 123,316.66 and 49,153.40 is: 73,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,415.24 : 123,316.66 = 49,153.40 : x
  2. Step 2: Convert to fraction form
    82,415.24/123,316.66 = 49,153.40/x
  3. Step 3: Cross multiply
    82,415.24x = 123,316.66 × 49,153.40
  4. Step 4: Simplify right side
    82,415.24x = 6,061,433,115.64
  5. Step 5: Solve for x
    x = 6,061,433,115.64/82,415.24
  6. Step 6: Final answer
    x = 73,547.48

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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.