Home / 65,967.27-90,985.02-41,445.21

Finding the Fourth Proportional to 65,967.27, 90,985.02 and 41,445.21

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Solution

The fourth proportional to 65,967.27, 90,985.02 and 41,445.21 is: 57,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,967.27 : 90,985.02 = 41,445.21 : x
  2. Step 2: Convert to fraction form
    65,967.27/90,985.02 = 41,445.21/x
  3. Step 3: Cross multiply
    65,967.27x = 90,985.02 × 41,445.21
  4. Step 4: Simplify right side
    65,967.27x = 3,770,893,260.75
  5. Step 5: Solve for x
    x = 3,770,893,260.75/65,967.27
  6. Step 6: Final answer
    x = 57,163.09

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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.