Home / 75,916.08-113,763.33-53,717.40

Finding the Fourth Proportional to 75,916.08, 113,763.33 and 53,717.40

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Solution

The fourth proportional to 75,916.08, 113,763.33 and 53,717.40 is: 80,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.08 : 113,763.33 = 53,717.40 : x
  2. Step 2: Convert to fraction form
    75,916.08/113,763.33 = 53,717.40/x
  3. Step 3: Cross multiply
    75,916.08x = 113,763.33 × 53,717.40
  4. Step 4: Simplify right side
    75,916.08x = 6,111,070,302.94
  5. Step 5: Solve for x
    x = 6,111,070,302.94/75,916.08
  6. Step 6: Final answer
    x = 80,497.71

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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.