Home / 74,045.52-102,146.63-48,540.65

Finding the Fourth Proportional to 74,045.52, 102,146.63 and 48,540.65

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Solution

The fourth proportional to 74,045.52, 102,146.63 and 48,540.65 is: 66,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.52 : 102,146.63 = 48,540.65 : x
  2. Step 2: Convert to fraction form
    74,045.52/102,146.63 = 48,540.65/x
  3. Step 3: Cross multiply
    74,045.52x = 102,146.63 × 48,540.65
  4. Step 4: Simplify right side
    74,045.52x = 4,958,263,062.07
  5. Step 5: Solve for x
    x = 4,958,263,062.07/74,045.52
  6. Step 6: Final answer
    x = 66,962.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.