Home / 52,475.08-78,691.74-19,187.56

Finding the Fourth Proportional to 52,475.08, 78,691.74 and 19,187.56

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Solution

The fourth proportional to 52,475.08, 78,691.74 and 19,187.56 is: 28,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,475.08 : 78,691.74 = 19,187.56 : x
  2. Step 2: Convert to fraction form
    52,475.08/78,691.74 = 19,187.56/x
  3. Step 3: Cross multiply
    52,475.08x = 78,691.74 × 19,187.56
  4. Step 4: Simplify right side
    52,475.08x = 1,509,902,482.75
  5. Step 5: Solve for x
    x = 1,509,902,482.75/52,475.08
  6. Step 6: Final answer
    x = 28,773.71

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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.