Home / 74,818.72-103,246.62-40,826.36

Finding the Fourth Proportional to 74,818.72, 103,246.62 and 40,826.36

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Solution

The fourth proportional to 74,818.72, 103,246.62 and 40,826.36 is: 56,338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,818.72 : 103,246.62 = 40,826.36 : x
  2. Step 2: Convert to fraction form
    74,818.72/103,246.62 = 40,826.36/x
  3. Step 3: Cross multiply
    74,818.72x = 103,246.62 × 40,826.36
  4. Step 4: Simplify right side
    74,818.72x = 4,215,183,574.84
  5. Step 5: Solve for x
    x = 4,215,183,574.84/74,818.72
  6. Step 6: Final answer
    x = 56,338.62

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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.