Home / 65,534.25-90,444.60-40,383.75

Finding the Fourth Proportional to 65,534.25, 90,444.60 and 40,383.75

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Solution

The fourth proportional to 65,534.25, 90,444.60 and 40,383.75 is: 55,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,534.25 : 90,444.60 = 40,383.75 : x
  2. Step 2: Convert to fraction form
    65,534.25/90,444.60 = 40,383.75/x
  3. Step 3: Cross multiply
    65,534.25x = 90,444.60 × 40,383.75
  4. Step 4: Simplify right side
    65,534.25x = 3,652,492,115.25
  5. Step 5: Solve for x
    x = 3,652,492,115.25/65,534.25
  6. Step 6: Final answer
    x = 55,734.09

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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.