Home / 73,915.64-102,003.90-40,382.36

Finding the Fourth Proportional to 73,915.64, 102,003.90 and 40,382.36

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Solution

The fourth proportional to 73,915.64, 102,003.90 and 40,382.36 is: 55,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,915.64 : 102,003.90 = 40,382.36 : x
  2. Step 2: Convert to fraction form
    73,915.64/102,003.90 = 40,382.36/x
  3. Step 3: Cross multiply
    73,915.64x = 102,003.90 × 40,382.36
  4. Step 4: Simplify right side
    73,915.64x = 4,119,158,211.20
  5. Step 5: Solve for x
    x = 4,119,158,211.20/73,915.64
  6. Step 6: Final answer
    x = 55,727.83

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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.