Home / 75,787.65-113,681.47-33,657.82

Finding the Fourth Proportional to 75,787.65, 113,681.47 and 33,657.82

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Solution

The fourth proportional to 75,787.65, 113,681.47 and 33,657.82 is: 50,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,787.65 : 113,681.47 = 33,657.82 : x
  2. Step 2: Convert to fraction form
    75,787.65/113,681.47 = 33,657.82/x
  3. Step 3: Cross multiply
    75,787.65x = 113,681.47 × 33,657.82
  4. Step 4: Simplify right side
    75,787.65x = 3,826,270,454.60
  5. Step 5: Solve for x
    x = 3,826,270,454.60/75,787.65
  6. Step 6: Final answer
    x = 50,486.73

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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.