Home / 65,759.14-90,748.28-35,545.05

Finding the Fourth Proportional to 65,759.14, 90,748.28 and 35,545.05

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Solution

The fourth proportional to 65,759.14, 90,748.28 and 35,545.05 is: 49,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,759.14 : 90,748.28 = 35,545.05 : x
  2. Step 2: Convert to fraction form
    65,759.14/90,748.28 = 35,545.05/x
  3. Step 3: Cross multiply
    65,759.14x = 90,748.28 × 35,545.05
  4. Step 4: Simplify right side
    65,759.14x = 3,225,651,696.27
  5. Step 5: Solve for x
    x = 3,225,651,696.27/65,759.14
  6. Step 6: Final answer
    x = 49,052.53

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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.