Home / 74,266.12-102,487.38-40,732.36

Finding the Fourth Proportional to 74,266.12, 102,487.38 and 40,732.36

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Solution

The fourth proportional to 74,266.12, 102,487.38 and 40,732.36 is: 56,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.12 : 102,487.38 = 40,732.36 : x
  2. Step 2: Convert to fraction form
    74,266.12/102,487.38 = 40,732.36/x
  3. Step 3: Cross multiply
    74,266.12x = 102,487.38 × 40,732.36
  4. Step 4: Simplify right side
    74,266.12x = 4,174,552,857.62
  5. Step 5: Solve for x
    x = 4,174,552,857.62/74,266.12
  6. Step 6: Final answer
    x = 56,210.73

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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.