Home / 74,350.32-102,601.80-40,358.88

Finding the Fourth Proportional to 74,350.32, 102,601.80 and 40,358.88

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Solution

The fourth proportional to 74,350.32, 102,601.80 and 40,358.88 is: 55,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.32 : 102,601.80 = 40,358.88 : x
  2. Step 2: Convert to fraction form
    74,350.32/102,601.80 = 40,358.88/x
  3. Step 3: Cross multiply
    74,350.32x = 102,601.80 × 40,358.88
  4. Step 4: Simplify right side
    74,350.32x = 4,140,893,733.98
  5. Step 5: Solve for x
    x = 4,140,893,733.98/74,350.32
  6. Step 6: Final answer
    x = 55,694.36

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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.