Home / 74,819.67-103,252.14-42,555.93

Finding the Fourth Proportional to 74,819.67, 103,252.14 and 42,555.93

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Solution

The fourth proportional to 74,819.67, 103,252.14 and 42,555.93 is: 58,727.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,819.67 : 103,252.14 = 42,555.93 : x
  2. Step 2: Convert to fraction form
    74,819.67/103,252.14 = 42,555.93/x
  3. Step 3: Cross multiply
    74,819.67x = 103,252.14 × 42,555.93
  4. Step 4: Simplify right side
    74,819.67x = 4,393,990,842.19
  5. Step 5: Solve for x
    x = 4,393,990,842.19/74,819.67
  6. Step 6: Final answer
    x = 58,727.75

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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.