Home / 65,650.14-90,543.69-41,735.70

Finding the Fourth Proportional to 65,650.14, 90,543.69 and 41,735.70

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Solution

The fourth proportional to 65,650.14, 90,543.69 and 41,735.70 is: 57,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,650.14 : 90,543.69 = 41,735.70 : x
  2. Step 2: Convert to fraction form
    65,650.14/90,543.69 = 41,735.70/x
  3. Step 3: Cross multiply
    65,650.14x = 90,543.69 × 41,735.70
  4. Step 4: Simplify right side
    65,650.14x = 3,778,904,282.73
  5. Step 5: Solve for x
    x = 3,778,904,282.73/65,650.14
  6. Step 6: Final answer
    x = 57,561.25

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1.5x scale

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.