Home / 102,916.40-154,385.94-32,779.58

Finding the Fourth Proportional to 102,916.40, 154,385.94 and 32,779.58

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Solution

The fourth proportional to 102,916.40, 154,385.94 and 32,779.58 is: 49,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,916.40 : 154,385.94 = 32,779.58 : x
  2. Step 2: Convert to fraction form
    102,916.40/154,385.94 = 32,779.58/x
  3. Step 3: Cross multiply
    102,916.40x = 154,385.94 × 32,779.58
  4. Step 4: Simplify right side
    102,916.40x = 5,060,706,271.11
  5. Step 5: Solve for x
    x = 5,060,706,271.11/102,916.40
  6. Step 6: Final answer
    x = 49,172.98

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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.