Home / 73,915.23-102,003.46-40,381.23

Finding the Fourth Proportional to 73,915.23, 102,003.46 and 40,381.23

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Solution

The fourth proportional to 73,915.23, 102,003.46 and 40,381.23 is: 55,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,915.23 : 102,003.46 = 40,381.23 : x
  2. Step 2: Convert to fraction form
    73,915.23/102,003.46 = 40,381.23/x
  3. Step 3: Cross multiply
    73,915.23x = 102,003.46 × 40,381.23
  4. Step 4: Simplify right side
    73,915.23x = 4,119,025,179.06
  5. Step 5: Solve for x
    x = 4,119,025,179.06/73,915.23
  6. Step 6: Final answer
    x = 55,726.34

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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.