Home / 74,033.13-102,168.15-40,499.13

Finding the Fourth Proportional to 74,033.13, 102,168.15 and 40,499.13

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Solution

The fourth proportional to 74,033.13, 102,168.15 and 40,499.13 is: 55,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,033.13 : 102,168.15 = 40,499.13 : x
  2. Step 2: Convert to fraction form
    74,033.13/102,168.15 = 40,499.13/x
  3. Step 3: Cross multiply
    74,033.13x = 102,168.15 × 40,499.13
  4. Step 4: Simplify right side
    74,033.13x = 4,137,721,188.71
  5. Step 5: Solve for x
    x = 4,137,721,188.71/74,033.13
  6. Step 6: Final answer
    x = 55,890.13

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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.