Home / 73,340.12-101,209.56-39,806.12

Finding the Fourth Proportional to 73,340.12, 101,209.56 and 39,806.12

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Solution

The fourth proportional to 73,340.12, 101,209.56 and 39,806.12 is: 54,932.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,340.12 : 101,209.56 = 39,806.12 : x
  2. Step 2: Convert to fraction form
    73,340.12/101,209.56 = 39,806.12/x
  3. Step 3: Cross multiply
    73,340.12x = 101,209.56 × 39,806.12
  4. Step 4: Simplify right side
    73,340.12x = 4,028,759,890.51
  5. Step 5: Solve for x
    x = 4,028,759,890.51/73,340.12
  6. Step 6: Final answer
    x = 54,932.55

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1.5x scale

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.