Home / 74,278.44-111,436.08-36,856.16

Finding the Fourth Proportional to 74,278.44, 111,436.08 and 36,856.16

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Solution

The fourth proportional to 74,278.44, 111,436.08 and 36,856.16 is: 55,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,278.44 : 111,436.08 = 36,856.16 : x
  2. Step 2: Convert to fraction form
    74,278.44/111,436.08 = 36,856.16/x
  3. Step 3: Cross multiply
    74,278.44x = 111,436.08 × 36,856.16
  4. Step 4: Simplify right side
    74,278.44x = 4,107,105,994.25
  5. Step 5: Solve for x
    x = 4,107,105,994.25/74,278.44
  6. Step 6: Final answer
    x = 55,293.38

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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.