Home / 52,787.02-79,166.70-19,516.60

Finding the Fourth Proportional to 52,787.02, 79,166.70 and 19,516.60

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Solution

The fourth proportional to 52,787.02, 79,166.70 and 19,516.60 is: 29,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.02 : 79,166.70 = 19,516.60 : x
  2. Step 2: Convert to fraction form
    52,787.02/79,166.70 = 19,516.60/x
  3. Step 3: Cross multiply
    52,787.02x = 79,166.70 × 19,516.60
  4. Step 4: Simplify right side
    52,787.02x = 1,545,064,817.22
  5. Step 5: Solve for x
    x = 1,545,064,817.22/52,787.02
  6. Step 6: Final answer
    x = 29,269.79

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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.