Home / 123,416.65-185,178.74-48,591.18

Finding the Fourth Proportional to 123,416.65, 185,178.74 and 48,591.18

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Solution

The fourth proportional to 123,416.65, 185,178.74 and 48,591.18 is: 72,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,416.65 : 185,178.74 = 48,591.18 : x
  2. Step 2: Convert to fraction form
    123,416.65/185,178.74 = 48,591.18/x
  3. Step 3: Cross multiply
    123,416.65x = 185,178.74 × 48,591.18
  4. Step 4: Simplify right side
    123,416.65x = 8,998,053,487.51
  5. Step 5: Solve for x
    x = 8,998,053,487.51/123,416.65
  6. Step 6: Final answer
    x = 72,907.94

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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.