Home / 65,268.81-90,099.41-41,432.13

Finding the Fourth Proportional to 65,268.81, 90,099.41 and 41,432.13

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Solution

The fourth proportional to 65,268.81, 90,099.41 and 41,432.13 is: 57,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,268.81 : 90,099.41 = 41,432.13 : x
  2. Step 2: Convert to fraction form
    65,268.81/90,099.41 = 41,432.13/x
  3. Step 3: Cross multiply
    65,268.81x = 90,099.41 × 41,432.13
  4. Step 4: Simplify right side
    65,268.81x = 3,733,010,260.88
  5. Step 5: Solve for x
    x = 3,733,010,260.88/65,268.81
  6. Step 6: Final answer
    x = 57,194.40

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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.