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Finding the Fourth Proportional to 73,352, 110,028 and 40,520

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Solution

The fourth proportional to 73,352, 110,028 and 40,520 is: 60,780

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,352 : 110,028 = 40,520 : x
  2. Step 2: Convert to fraction form
    73,352/110,028 = 40,520/x
  3. Step 3: Cross multiply
    73,352x = 110,028 × 40,520
  4. Step 4: Simplify right side
    73,352x = 4,458,334,560
  5. Step 5: Solve for x
    x = 4,458,334,560/73,352
  6. Step 6: Final answer
    x = 60,780

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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.