Home / 69,657.96-96,128.46-40,994.76

Finding the Fourth Proportional to 69,657.96, 96,128.46 and 40,994.76

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Solution

The fourth proportional to 69,657.96, 96,128.46 and 40,994.76 is: 56,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,657.96 : 96,128.46 = 40,994.76 : x
  2. Step 2: Convert to fraction form
    69,657.96/96,128.46 = 40,994.76/x
  3. Step 3: Cross multiply
    69,657.96x = 96,128.46 × 40,994.76
  4. Step 4: Simplify right side
    69,657.96x = 3,940,763,146.87
  5. Step 5: Solve for x
    x = 3,940,763,146.87/69,657.96
  6. Step 6: Final answer
    x = 56,573.05

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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.