Home / 100,973.33-139,337.52-55,651.17

Finding the Fourth Proportional to 100,973.33, 139,337.52 and 55,651.17

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Solution

The fourth proportional to 100,973.33, 139,337.52 and 55,651.17 is: 76,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,973.33 : 139,337.52 = 55,651.17 : x
  2. Step 2: Convert to fraction form
    100,973.33/139,337.52 = 55,651.17/x
  3. Step 3: Cross multiply
    100,973.33x = 139,337.52 × 55,651.17
  4. Step 4: Simplify right side
    100,973.33x = 7,754,295,542.95
  5. Step 5: Solve for x
    x = 7,754,295,542.95/100,973.33
  6. Step 6: Final answer
    x = 76,795.48

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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.