Home / 49,381.74-74,084.76-14,320.89

Finding the Fourth Proportional to 49,381.74, 74,084.76 and 14,320.89

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Solution

The fourth proportional to 49,381.74, 74,084.76 and 14,320.89 is: 21,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,381.74 : 74,084.76 = 14,320.89 : x
  2. Step 2: Convert to fraction form
    49,381.74/74,084.76 = 14,320.89/x
  3. Step 3: Cross multiply
    49,381.74x = 74,084.76 × 14,320.89
  4. Step 4: Simplify right side
    49,381.74x = 1,060,959,698.64
  5. Step 5: Solve for x
    x = 1,060,959,698.64/49,381.74
  6. Step 6: Final answer
    x = 21,484.86

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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.