Home / 101,362.04-139,882.53-56,042.95

Finding the Fourth Proportional to 101,362.04, 139,882.53 and 56,042.95

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Solution

The fourth proportional to 101,362.04, 139,882.53 and 56,042.95 is: 77,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362.04 : 139,882.53 = 56,042.95 : x
  2. Step 2: Convert to fraction form
    101,362.04/139,882.53 = 56,042.95/x
  3. Step 3: Cross multiply
    101,362.04x = 139,882.53 × 56,042.95
  4. Step 4: Simplify right side
    101,362.04x = 7,839,428,935.25
  5. Step 5: Solve for x
    x = 7,839,428,935.25/101,362.04
  6. Step 6: Final answer
    x = 77,340.88

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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.