Home / 52,576.47-78,858.23-21,411.99

Finding the Fourth Proportional to 52,576.47, 78,858.23 and 21,411.99

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Solution

The fourth proportional to 52,576.47, 78,858.23 and 21,411.99 is: 32,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,576.47 : 78,858.23 = 21,411.99 : x
  2. Step 2: Convert to fraction form
    52,576.47/78,858.23 = 21,411.99/x
  3. Step 3: Cross multiply
    52,576.47x = 78,858.23 × 21,411.99
  4. Step 4: Simplify right side
    52,576.47x = 1,688,511,525.12
  5. Step 5: Solve for x
    x = 1,688,511,525.12/52,576.47
  6. Step 6: Final answer
    x = 32,115.35

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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.