Home / 65,400.96-90,253.68-37,101.12

Finding the Fourth Proportional to 65,400.96, 90,253.68 and 37,101.12

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Solution

The fourth proportional to 65,400.96, 90,253.68 and 37,101.12 is: 51,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400.96 : 90,253.68 = 37,101.12 : x
  2. Step 2: Convert to fraction form
    65,400.96/90,253.68 = 37,101.12/x
  3. Step 3: Cross multiply
    65,400.96x = 90,253.68 × 37,101.12
  4. Step 4: Simplify right side
    65,400.96x = 3,348,512,612.12
  5. Step 5: Solve for x
    x = 3,348,512,612.12/65,400.96
  6. Step 6: Final answer
    x = 51,199.75

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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.