Home / 91,830.25-137,787.75-41,925.65

Finding the Fourth Proportional to 91,830.25, 137,787.75 and 41,925.65

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Solution

The fourth proportional to 91,830.25, 137,787.75 and 41,925.65 is: 62,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,830.25 : 137,787.75 = 41,925.65 : x
  2. Step 2: Convert to fraction form
    91,830.25/137,787.75 = 41,925.65/x
  3. Step 3: Cross multiply
    91,830.25x = 137,787.75 × 41,925.65
  4. Step 4: Simplify right side
    91,830.25x = 5,776,840,291.85
  5. Step 5: Solve for x
    x = 5,776,840,291.85/91,830.25
  6. Step 6: Final answer
    x = 62,907.81

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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.