Home / 65,765.15-90,756.57-35,551.04

Finding the Fourth Proportional to 65,765.15, 90,756.57 and 35,551.04

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Solution

The fourth proportional to 65,765.15, 90,756.57 and 35,551.04 is: 49,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,765.15 : 90,756.57 = 35,551.04 : x
  2. Step 2: Convert to fraction form
    65,765.15/90,756.57 = 35,551.04/x
  3. Step 3: Cross multiply
    65,765.15x = 90,756.57 × 35,551.04
  4. Step 4: Simplify right side
    65,765.15x = 3,226,490,450.33
  5. Step 5: Solve for x
    x = 3,226,490,450.33/65,765.15
  6. Step 6: Final answer
    x = 49,060.79

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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.