Home / 88,949.12-122,745.12-48,655.04

Finding the Fourth Proportional to 88,949.12, 122,745.12 and 48,655.04

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Solution

The fourth proportional to 88,949.12, 122,745.12 and 48,655.04 is: 67,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,949.12 : 122,745.12 = 48,655.04 : x
  2. Step 2: Convert to fraction form
    88,949.12/122,745.12 = 48,655.04/x
  3. Step 3: Cross multiply
    88,949.12x = 122,745.12 × 48,655.04
  4. Step 4: Simplify right side
    88,949.12x = 5,972,168,723.40
  5. Step 5: Solve for x
    x = 5,972,168,723.40/88,949.12
  6. Step 6: Final answer
    x = 67,141.40

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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.