Home / 89,136.16-123,009.48-48,847.24

Finding the Fourth Proportional to 89,136.16, 123,009.48 and 48,847.24

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Solution

The fourth proportional to 89,136.16, 123,009.48 and 48,847.24 is: 67,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.16 : 123,009.48 = 48,847.24 : x
  2. Step 2: Convert to fraction form
    89,136.16/123,009.48 = 48,847.24/x
  3. Step 3: Cross multiply
    89,136.16x = 123,009.48 × 48,847.24
  4. Step 4: Simplify right side
    89,136.16x = 6,008,673,591.84
  5. Step 5: Solve for x
    x = 6,008,673,591.84/89,136.16
  6. Step 6: Final answer
    x = 67,410.06

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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.