Home / 74,488.20-102,795.74-40,498.97

Finding the Fourth Proportional to 74,488.20, 102,795.74 and 40,498.97

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Solution

The fourth proportional to 74,488.20, 102,795.74 and 40,498.97 is: 55,889.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,488.20 : 102,795.74 = 40,498.97 : x
  2. Step 2: Convert to fraction form
    74,488.20/102,795.74 = 40,498.97/x
  3. Step 3: Cross multiply
    74,488.20x = 102,795.74 × 40,498.97
  4. Step 4: Simplify right side
    74,488.20x = 4,163,121,590.39
  5. Step 5: Solve for x
    x = 4,163,121,590.39/74,488.20
  6. Step 6: Final answer
    x = 55,889.68

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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.