Home / 49,253.12-74,212.16-40,680.08

Finding the Fourth Proportional to 49,253.12, 74,212.16 and 40,680.08

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Solution

The fourth proportional to 49,253.12, 74,212.16 and 40,680.08 is: 61,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,253.12 : 74,212.16 = 40,680.08 : x
  2. Step 2: Convert to fraction form
    49,253.12/74,212.16 = 40,680.08/x
  3. Step 3: Cross multiply
    49,253.12x = 74,212.16 × 40,680.08
  4. Step 4: Simplify right side
    49,253.12x = 3,018,956,605.77
  5. Step 5: Solve for x
    x = 3,018,956,605.77/49,253.12
  6. Step 6: Final answer
    x = 61,294.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.