Home / 51,209.79-76,696.67-49,436.72

Finding the Fourth Proportional to 51,209.79, 76,696.67 and 49,436.72

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Solution

The fourth proportional to 51,209.79, 76,696.67 and 49,436.72 is: 74,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,209.79 : 76,696.67 = 49,436.72 : x
  2. Step 2: Convert to fraction form
    51,209.79/76,696.67 = 49,436.72/x
  3. Step 3: Cross multiply
    51,209.79x = 76,696.67 × 49,436.72
  4. Step 4: Simplify right side
    51,209.79x = 3,791,631,169.06
  5. Step 5: Solve for x
    x = 3,791,631,169.06/51,209.79
  6. Step 6: Final answer
    x = 74,041.14

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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.