Home / 102,701.84-154,132.92-52,779.92

Finding the Fourth Proportional to 102,701.84, 154,132.92 and 52,779.92

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Solution

The fourth proportional to 102,701.84, 154,132.92 and 52,779.92 is: 79,211.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,701.84 : 154,132.92 = 52,779.92 : x
  2. Step 2: Convert to fraction form
    102,701.84/154,132.92 = 52,779.92/x
  3. Step 3: Cross multiply
    102,701.84x = 154,132.92 × 52,779.92
  4. Step 4: Simplify right side
    102,701.84x = 8,135,123,186.97
  5. Step 5: Solve for x
    x = 8,135,123,186.97/102,701.84
  6. Step 6: Final answer
    x = 79,211.08

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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.