Home / 52,979.04-79,354.80-49,877.28

Finding the Fourth Proportional to 52,979.04, 79,354.80 and 49,877.28

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Solution

The fourth proportional to 52,979.04, 79,354.80 and 49,877.28 is: 74,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.04 : 79,354.80 = 49,877.28 : x
  2. Step 2: Convert to fraction form
    52,979.04/79,354.80 = 49,877.28/x
  3. Step 3: Cross multiply
    52,979.04x = 79,354.80 × 49,877.28
  4. Step 4: Simplify right side
    52,979.04x = 3,958,001,578.94
  5. Step 5: Solve for x
    x = 3,958,001,578.94/52,979.04
  6. Step 6: Final answer
    x = 74,708.82

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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.