Home / 117,612.14-162,293.04-66,614.72

Finding the Fourth Proportional to 117,612.14, 162,293.04 and 66,614.72

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Solution

The fourth proportional to 117,612.14, 162,293.04 and 66,614.72 is: 91,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612.14 : 162,293.04 = 66,614.72 : x
  2. Step 2: Convert to fraction form
    117,612.14/162,293.04 = 66,614.72/x
  3. Step 3: Cross multiply
    117,612.14x = 162,293.04 × 66,614.72
  4. Step 4: Simplify right side
    117,612.14x = 10,811,104,606.08
  5. Step 5: Solve for x
    x = 10,811,104,606.08/117,612.14
  6. Step 6: Final answer
    x = 91,921.68

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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.