Home / 117,733.46-162,507.75-80,029.58

Finding the Fourth Proportional to 117,733.46, 162,507.75 and 80,029.58

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Solution

The fourth proportional to 117,733.46, 162,507.75 and 80,029.58 is: 110,465.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,733.46 : 162,507.75 = 80,029.58 : x
  2. Step 2: Convert to fraction form
    117,733.46/162,507.75 = 80,029.58/x
  3. Step 3: Cross multiply
    117,733.46x = 162,507.75 × 80,029.58
  4. Step 4: Simplify right side
    117,733.46x = 13,005,426,979.25
  5. Step 5: Solve for x
    x = 13,005,426,979.25/117,733.46
  6. Step 6: Final answer
    x = 110,465.00

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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.