Home / 74,348.82-102,601.62-40,357.35

Finding the Fourth Proportional to 74,348.82, 102,601.62 and 40,357.35

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Solution

The fourth proportional to 74,348.82, 102,601.62 and 40,357.35 is: 55,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,348.82 : 102,601.62 = 40,357.35 : x
  2. Step 2: Convert to fraction form
    74,348.82/102,601.62 = 40,357.35/x
  3. Step 3: Cross multiply
    74,348.82x = 102,601.62 × 40,357.35
  4. Step 4: Simplify right side
    74,348.82x = 4,140,729,488.91
  5. Step 5: Solve for x
    x = 4,140,729,488.91/74,348.82
  6. Step 6: Final answer
    x = 55,693.28

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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.