Home / 102,916.65-154,386.33-32,779.83

Finding the Fourth Proportional to 102,916.65, 154,386.33 and 32,779.83

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Solution

The fourth proportional to 102,916.65, 154,386.33 and 32,779.83 is: 49,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,916.65 : 154,386.33 = 32,779.83 : x
  2. Step 2: Convert to fraction form
    102,916.65/154,386.33 = 32,779.83/x
  3. Step 3: Cross multiply
    102,916.65x = 154,386.33 × 32,779.83
  4. Step 4: Simplify right side
    102,916.65x = 5,060,757,651.72
  5. Step 5: Solve for x
    x = 5,060,757,651.72/102,916.65
  6. Step 6: Final answer
    x = 49,173.36

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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.