Home / 74,948.61-103,425.82-40,956.55

Finding the Fourth Proportional to 74,948.61, 103,425.82 and 40,956.55

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Solution

The fourth proportional to 74,948.61, 103,425.82 and 40,956.55 is: 56,518.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.61 : 103,425.82 = 40,956.55 : x
  2. Step 2: Convert to fraction form
    74,948.61/103,425.82 = 40,956.55/x
  3. Step 3: Cross multiply
    74,948.61x = 103,425.82 × 40,956.55
  4. Step 4: Simplify right side
    74,948.61x = 4,235,964,768.12
  5. Step 5: Solve for x
    x = 4,235,964,768.12/74,948.61
  6. Step 6: Final answer
    x = 56,518.26

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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.