Home / 65,094.12-89,829.90-35,286.12

Finding the Fourth Proportional to 65,094.12, 89,829.90 and 35,286.12

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Solution

The fourth proportional to 65,094.12, 89,829.90 and 35,286.12 is: 48,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,094.12 : 89,829.90 = 35,286.12 : x
  2. Step 2: Convert to fraction form
    65,094.12/89,829.90 = 35,286.12/x
  3. Step 3: Cross multiply
    65,094.12x = 89,829.90 × 35,286.12
  4. Step 4: Simplify right side
    65,094.12x = 3,169,748,630.99
  5. Step 5: Solve for x
    x = 3,169,748,630.99/65,094.12
  6. Step 6: Final answer
    x = 48,694.85

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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.