Home / 51,787.86-77,681.79-16,254.66

Finding the Fourth Proportional to 51,787.86, 77,681.79 and 16,254.66

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Solution

The fourth proportional to 51,787.86, 77,681.79 and 16,254.66 is: 24,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,787.86 : 77,681.79 = 16,254.66 : x
  2. Step 2: Convert to fraction form
    51,787.86/77,681.79 = 16,254.66/x
  3. Step 3: Cross multiply
    51,787.86x = 77,681.79 × 16,254.66
  4. Step 4: Simplify right side
    51,787.86x = 1,262,691,084.64
  5. Step 5: Solve for x
    x = 1,262,691,084.64/51,787.86
  6. Step 6: Final answer
    x = 24,381.99

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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.