Home / 65,670.35-90,585.84-41,428.46

Finding the Fourth Proportional to 65,670.35, 90,585.84 and 41,428.46

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Solution

The fourth proportional to 65,670.35, 90,585.84 and 41,428.46 is: 57,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,670.35 : 90,585.84 = 41,428.46 : x
  2. Step 2: Convert to fraction form
    65,670.35/90,585.84 = 41,428.46/x
  3. Step 3: Cross multiply
    65,670.35x = 90,585.84 × 41,428.46
  4. Step 4: Simplify right side
    65,670.35x = 3,752,832,230.83
  5. Step 5: Solve for x
    x = 3,752,832,230.83/65,670.35
  6. Step 6: Final answer
    x = 57,146.53

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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.