Home / 117,840.64-162,591.72-69,444.56

Finding the Fourth Proportional to 117,840.64, 162,591.72 and 69,444.56

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Solution

The fourth proportional to 117,840.64, 162,591.72 and 69,444.56 is: 95,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,840.64 : 162,591.72 = 69,444.56 : x
  2. Step 2: Convert to fraction form
    117,840.64/162,591.72 = 69,444.56/x
  3. Step 3: Cross multiply
    117,840.64x = 162,591.72 × 69,444.56
  4. Step 4: Simplify right side
    117,840.64x = 11,291,110,077.15
  5. Step 5: Solve for x
    x = 11,291,110,077.15/117,840.64
  6. Step 6: Final answer
    x = 95,816.78

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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.