Home / 65,918.24-90,966.62-35,702.86

Finding the Fourth Proportional to 65,918.24, 90,966.62 and 35,702.86

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Solution

The fourth proportional to 65,918.24, 90,966.62 and 35,702.86 is: 49,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,918.24 : 90,966.62 = 35,702.86 : x
  2. Step 2: Convert to fraction form
    65,918.24/90,966.62 = 35,702.86/x
  3. Step 3: Cross multiply
    65,918.24x = 90,966.62 × 35,702.86
  4. Step 4: Simplify right side
    65,918.24x = 3,247,768,498.53
  5. Step 5: Solve for x
    x = 3,247,768,498.53/65,918.24
  6. Step 6: Final answer
    x = 49,269.65

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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.