Home / 65,886.11-90,923.01-35,671.49

Finding the Fourth Proportional to 65,886.11, 90,923.01 and 35,671.49

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Solution

The fourth proportional to 65,886.11, 90,923.01 and 35,671.49 is: 49,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,886.11 : 90,923.01 = 35,671.49 : x
  2. Step 2: Convert to fraction form
    65,886.11/90,923.01 = 35,671.49/x
  3. Step 3: Cross multiply
    65,886.11x = 90,923.01 × 35,671.49
  4. Step 4: Simplify right side
    65,886.11x = 3,243,358,994.56
  5. Step 5: Solve for x
    x = 3,243,358,994.56/65,886.11
  6. Step 6: Final answer
    x = 49,226.75

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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.