Home / 73,931.44-102,025.38-40,397.44

Finding the Fourth Proportional to 73,931.44, 102,025.38 and 40,397.44

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Solution

The fourth proportional to 73,931.44, 102,025.38 and 40,397.44 is: 55,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.44 : 102,025.38 = 40,397.44 : x
  2. Step 2: Convert to fraction form
    73,931.44/102,025.38 = 40,397.44/x
  3. Step 3: Cross multiply
    73,931.44x = 102,025.38 × 40,397.44
  4. Step 4: Simplify right side
    73,931.44x = 4,121,564,167.03
  5. Step 5: Solve for x
    x = 4,121,564,167.03/73,931.44
  6. Step 6: Final answer
    x = 55,748.46

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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.