Home / 81,079.77-111,913.62-47,095.95

Finding the Fourth Proportional to 81,079.77, 111,913.62 and 47,095.95

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Solution

The fourth proportional to 81,079.77, 111,913.62 and 47,095.95 is: 65,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,079.77 : 111,913.62 = 47,095.95 : x
  2. Step 2: Convert to fraction form
    81,079.77/111,913.62 = 47,095.95/x
  3. Step 3: Cross multiply
    81,079.77x = 111,913.62 × 47,095.95
  4. Step 4: Simplify right side
    81,079.77x = 5,270,678,251.84
  5. Step 5: Solve for x
    x = 5,270,678,251.84/81,079.77
  6. Step 6: Final answer
    x = 65,006.08

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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.