Home / 74,165.27-102,348.09-40,631.27

Finding the Fourth Proportional to 74,165.27, 102,348.09 and 40,631.27

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Solution

The fourth proportional to 74,165.27, 102,348.09 and 40,631.27 is: 56,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.27 : 102,348.09 = 40,631.27 : x
  2. Step 2: Convert to fraction form
    74,165.27/102,348.09 = 40,631.27/x
  3. Step 3: Cross multiply
    74,165.27x = 102,348.09 × 40,631.27
  4. Step 4: Simplify right side
    74,165.27x = 4,158,532,367.03
  5. Step 5: Solve for x
    x = 4,158,532,367.03/74,165.27
  6. Step 6: Final answer
    x = 56,071.16

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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.