Home / 123,400.80-185,101.20-48,496.05

Finding the Fourth Proportional to 123,400.80, 185,101.20 and 48,496.05

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Solution

The fourth proportional to 123,400.80, 185,101.20 and 48,496.05 is: 72,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,400.80 : 185,101.20 = 48,496.05 : x
  2. Step 2: Convert to fraction form
    123,400.80/185,101.20 = 48,496.05/x
  3. Step 3: Cross multiply
    123,400.80x = 185,101.20 × 48,496.05
  4. Step 4: Simplify right side
    123,400.80x = 8,976,677,050.26
  5. Step 5: Solve for x
    x = 8,976,677,050.26/123,400.80
  6. Step 6: Final answer
    x = 72,744.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.