Home / 65,441.08-90,305.58-37,142.92

Finding the Fourth Proportional to 65,441.08, 90,305.58 and 37,142.92

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Solution

The fourth proportional to 65,441.08, 90,305.58 and 37,142.92 is: 51,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,441.08 : 90,305.58 = 37,142.92 : x
  2. Step 2: Convert to fraction form
    65,441.08/90,305.58 = 37,142.92/x
  3. Step 3: Cross multiply
    65,441.08x = 90,305.58 × 37,142.92
  4. Step 4: Simplify right side
    65,441.08x = 3,354,212,933.49
  5. Step 5: Solve for x
    x = 3,354,212,933.49/65,441.08
  6. Step 6: Final answer
    x = 51,255.46

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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.