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Finding the Fourth Proportional to 60,213.26, 90,319.90 and 25,133.78

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Solution

The fourth proportional to 60,213.26, 90,319.90 and 25,133.78 is: 37,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,213.26 : 90,319.90 = 25,133.78 : x
  2. Step 2: Convert to fraction form
    60,213.26/90,319.90 = 25,133.78/x
  3. Step 3: Cross multiply
    60,213.26x = 90,319.90 × 25,133.78
  4. Step 4: Simplify right side
    60,213.26x = 2,270,080,496.22
  5. Step 5: Solve for x
    x = 2,270,080,496.22/60,213.26
  6. Step 6: Final answer
    x = 37,700.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.