Home / 101,633.07-140,276.97-67,643.01

Finding the Fourth Proportional to 101,633.07, 140,276.97 and 67,643.01

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Solution

The fourth proportional to 101,633.07, 140,276.97 and 67,643.01 is: 93,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,633.07 : 140,276.97 = 67,643.01 : x
  2. Step 2: Convert to fraction form
    101,633.07/140,276.97 = 67,643.01/x
  3. Step 3: Cross multiply
    101,633.07x = 140,276.97 × 67,643.01
  4. Step 4: Simplify right side
    101,633.07x = 9,488,756,484.48
  5. Step 5: Solve for x
    x = 9,488,756,484.48/101,633.07
  6. Step 6: Final answer
    x = 93,362.88

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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.