Home / 89,136.86-123,009.04-48,852.12

Finding the Fourth Proportional to 89,136.86, 123,009.04 and 48,852.12

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Solution

The fourth proportional to 89,136.86, 123,009.04 and 48,852.12 is: 67,416.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,136.86 : 123,009.04 = 48,852.12 : x
  2. Step 2: Convert to fraction form
    89,136.86/123,009.04 = 48,852.12/x
  3. Step 3: Cross multiply
    89,136.86x = 123,009.04 × 48,852.12
  4. Step 4: Simplify right side
    89,136.86x = 6,009,251,645.99
  5. Step 5: Solve for x
    x = 6,009,251,645.99/89,136.86
  6. Step 6: Final answer
    x = 67,416.01

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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.