Home / 49,593.11-74,389.64-12,657.11

Finding the Fourth Proportional to 49,593.11, 74,389.64 and 12,657.11

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Solution

The fourth proportional to 49,593.11, 74,389.64 and 12,657.11 is: 18,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,593.11 : 74,389.64 = 12,657.11 : x
  2. Step 2: Convert to fraction form
    49,593.11/74,389.64 = 12,657.11/x
  3. Step 3: Cross multiply
    49,593.11x = 74,389.64 × 12,657.11
  4. Step 4: Simplify right side
    49,593.11x = 941,557,421.11
  5. Step 5: Solve for x
    x = 941,557,421.11/49,593.11
  6. Step 6: Final answer
    x = 18,985.65

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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.