Home / 69,390.27-104,011.70-36,077.00

Finding the Fourth Proportional to 69,390.27, 104,011.70 and 36,077.00

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Solution

The fourth proportional to 69,390.27, 104,011.70 and 36,077.00 is: 54,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390.27 : 104,011.70 = 36,077.00 : x
  2. Step 2: Convert to fraction form
    69,390.27/104,011.70 = 36,077.00/x
  3. Step 3: Cross multiply
    69,390.27x = 104,011.70 × 36,077.00
  4. Step 4: Simplify right side
    69,390.27x = 3,752,429,400.46
  5. Step 5: Solve for x
    x = 3,752,429,400.46/69,390.27
  6. Step 6: Final answer
    x = 54,077.17

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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.