Home / 74,333.10-102,577.91-40,340.13

Finding the Fourth Proportional to 74,333.10, 102,577.91 and 40,340.13

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Solution

The fourth proportional to 74,333.10, 102,577.91 and 40,340.13 is: 55,668.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,333.10 : 102,577.91 = 40,340.13 : x
  2. Step 2: Convert to fraction form
    74,333.10/102,577.91 = 40,340.13/x
  3. Step 3: Cross multiply
    74,333.10x = 102,577.91 × 40,340.13
  4. Step 4: Simplify right side
    74,333.10x = 4,138,006,022.83
  5. Step 5: Solve for x
    x = 4,138,006,022.83/74,333.10
  6. Step 6: Final answer
    x = 55,668.42

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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.