Home / 74,103.27-102,262.77-40,112.16

Finding the Fourth Proportional to 74,103.27, 102,262.77 and 40,112.16

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Solution

The fourth proportional to 74,103.27, 102,262.77 and 40,112.16 is: 55,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.27 : 102,262.77 = 40,112.16 : x
  2. Step 2: Convert to fraction form
    74,103.27/102,262.77 = 40,112.16/x
  3. Step 3: Cross multiply
    74,103.27x = 102,262.77 × 40,112.16
  4. Step 4: Simplify right side
    74,103.27x = 4,101,980,592.28
  5. Step 5: Solve for x
    x = 4,101,980,592.28/74,103.27
  6. Step 6: Final answer
    x = 55,354.92

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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.