Home / 75,013.09-112,537.96-52,869.71

Finding the Fourth Proportional to 75,013.09, 112,537.96 and 52,869.71

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Solution

The fourth proportional to 75,013.09, 112,537.96 and 52,869.71 is: 79,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.09 : 112,537.96 = 52,869.71 : x
  2. Step 2: Convert to fraction form
    75,013.09/112,537.96 = 52,869.71/x
  3. Step 3: Cross multiply
    75,013.09x = 112,537.96 × 52,869.71
  4. Step 4: Simplify right side
    75,013.09x = 5,949,849,458.36
  5. Step 5: Solve for x
    x = 5,949,849,458.36/75,013.09
  6. Step 6: Final answer
    x = 79,317.49

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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.