Home / 74,522.25-102,840.98-40,530.74

Finding the Fourth Proportional to 74,522.25, 102,840.98 and 40,530.74

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Solution

The fourth proportional to 74,522.25, 102,840.98 and 40,530.74 is: 55,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,522.25 : 102,840.98 = 40,530.74 : x
  2. Step 2: Convert to fraction form
    74,522.25/102,840.98 = 40,530.74/x
  3. Step 3: Cross multiply
    74,522.25x = 102,840.98 × 40,530.74
  4. Step 4: Simplify right side
    74,522.25x = 4,168,220,304.87
  5. Step 5: Solve for x
    x = 4,168,220,304.87/74,522.25
  6. Step 6: Final answer
    x = 55,932.56

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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.