Home / 52,411.80-78,614.10-16,872.60

Finding the Fourth Proportional to 52,411.80, 78,614.10 and 16,872.60

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Solution

The fourth proportional to 52,411.80, 78,614.10 and 16,872.60 is: 25,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,411.80 : 78,614.10 = 16,872.60 : x
  2. Step 2: Convert to fraction form
    52,411.80/78,614.10 = 16,872.60/x
  3. Step 3: Cross multiply
    52,411.80x = 78,614.10 × 16,872.60
  4. Step 4: Simplify right side
    52,411.80x = 1,326,424,263.66
  5. Step 5: Solve for x
    x = 1,326,424,263.66/52,411.80
  6. Step 6: Final answer
    x = 25,307.74

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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.