Home / 81,935.46-122,950.89-34,547.58

Finding the Fourth Proportional to 81,935.46, 122,950.89 and 34,547.58

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Solution

The fourth proportional to 81,935.46, 122,950.89 and 34,547.58 is: 51,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.46 : 122,950.89 = 34,547.58 : x
  2. Step 2: Convert to fraction form
    81,935.46/122,950.89 = 34,547.58/x
  3. Step 3: Cross multiply
    81,935.46x = 122,950.89 × 34,547.58
  4. Step 4: Simplify right side
    81,935.46x = 4,247,655,708.35
  5. Step 5: Solve for x
    x = 4,247,655,708.35/81,935.46
  6. Step 6: Final answer
    x = 51,841.48

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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.