Home / 74,104.23-102,265.83-42,272.58

Finding the Fourth Proportional to 74,104.23, 102,265.83 and 42,272.58

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Solution

The fourth proportional to 74,104.23, 102,265.83 and 42,272.58 is: 58,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.23 : 102,265.83 = 42,272.58 : x
  2. Step 2: Convert to fraction form
    74,104.23/102,265.83 = 42,272.58/x
  3. Step 3: Cross multiply
    74,104.23x = 102,265.83 × 42,272.58
  4. Step 4: Simplify right side
    74,104.23x = 4,323,040,479.94
  5. Step 5: Solve for x
    x = 4,323,040,479.94/74,104.23
  6. Step 6: Final answer
    x = 58,337.30

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1.5x scale

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.