Home / 65,742.68-90,719.43-36,669.25

Finding the Fourth Proportional to 65,742.68, 90,719.43 and 36,669.25

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Solution

The fourth proportional to 65,742.68, 90,719.43 and 36,669.25 is: 50,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,742.68 : 90,719.43 = 36,669.25 : x
  2. Step 2: Convert to fraction form
    65,742.68/90,719.43 = 36,669.25/x
  3. Step 3: Cross multiply
    65,742.68x = 90,719.43 × 36,669.25
  4. Step 4: Simplify right side
    65,742.68x = 3,326,613,275.18
  5. Step 5: Solve for x
    x = 3,326,613,275.18/65,742.68
  6. Step 6: Final answer
    x = 50,600.51

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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.