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Finding the Fourth Proportional to 65,033.04, 89,745.12 and 35,225.04

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Solution

The fourth proportional to 65,033.04, 89,745.12 and 35,225.04 is: 48,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,033.04 : 89,745.12 = 35,225.04 : x
  2. Step 2: Convert to fraction form
    65,033.04/89,745.12 = 35,225.04/x
  3. Step 3: Cross multiply
    65,033.04x = 89,745.12 × 35,225.04
  4. Step 4: Simplify right side
    65,033.04x = 3,161,275,441.80
  5. Step 5: Solve for x
    x = 3,161,275,441.80/65,033.04
  6. Step 6: Final answer
    x = 48,610.30

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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.