Home / 74,947.80-112,436.46-22,356.12

Finding the Fourth Proportional to 74,947.80, 112,436.46 and 22,356.12

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Solution

The fourth proportional to 74,947.80, 112,436.46 and 22,356.12 is: 33,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,947.80 : 112,436.46 = 22,356.12 : x
  2. Step 2: Convert to fraction form
    74,947.80/112,436.46 = 22,356.12/x
  3. Step 3: Cross multiply
    74,947.80x = 112,436.46 × 22,356.12
  4. Step 4: Simplify right side
    74,947.80x = 2,513,642,992.14
  5. Step 5: Solve for x
    x = 2,513,642,992.14/74,947.80
  6. Step 6: Final answer
    x = 33,538.58

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1.5x scale

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.