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Finding the Fourth Proportional to 61,479.81, 92,182.74 and 41,698.40

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Solution

The fourth proportional to 61,479.81, 92,182.74 and 41,698.40 is: 62,522.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,479.81 : 92,182.74 = 41,698.40 : x
  2. Step 2: Convert to fraction form
    61,479.81/92,182.74 = 41,698.40/x
  3. Step 3: Cross multiply
    61,479.81x = 92,182.74 × 41,698.40
  4. Step 4: Simplify right side
    61,479.81x = 3,843,872,304.70
  5. Step 5: Solve for x
    x = 3,843,872,304.70/61,479.81
  6. Step 6: Final answer
    x = 62,522.51

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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.