Home / 93,991.32-129,708.20-53,704.96

Finding the Fourth Proportional to 93,991.32, 129,708.20 and 53,704.96

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Solution

The fourth proportional to 93,991.32, 129,708.20 and 53,704.96 is: 74,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,991.32 : 129,708.20 = 53,704.96 : x
  2. Step 2: Convert to fraction form
    93,991.32/129,708.20 = 53,704.96/x
  3. Step 3: Cross multiply
    93,991.32x = 129,708.20 × 53,704.96
  4. Step 4: Simplify right side
    93,991.32x = 6,965,973,502.66
  5. Step 5: Solve for x
    x = 6,965,973,502.66/93,991.32
  6. Step 6: Final answer
    x = 74,112.94

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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.