Home / 82,658.09-114,069.29-48,666.65

Finding the Fourth Proportional to 82,658.09, 114,069.29 and 48,666.65

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Solution

The fourth proportional to 82,658.09, 114,069.29 and 48,666.65 is: 67,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,658.09 : 114,069.29 = 48,666.65 : x
  2. Step 2: Convert to fraction form
    82,658.09/114,069.29 = 48,666.65/x
  3. Step 3: Cross multiply
    82,658.09x = 114,069.29 × 48,666.65
  4. Step 4: Simplify right side
    82,658.09x = 5,551,369,398.50
  5. Step 5: Solve for x
    x = 5,551,369,398.50/82,658.09
  6. Step 6: Final answer
    x = 67,160.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.