Home / 117,731.52-162,466.14-66,748.92

Finding the Fourth Proportional to 117,731.52, 162,466.14 and 66,748.92

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Solution

The fourth proportional to 117,731.52, 162,466.14 and 66,748.92 is: 92,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,731.52 : 162,466.14 = 66,748.92 : x
  2. Step 2: Convert to fraction form
    117,731.52/162,466.14 = 66,748.92/x
  3. Step 3: Cross multiply
    117,731.52x = 162,466.14 × 66,748.92
  4. Step 4: Simplify right side
    117,731.52x = 10,844,439,381.57
  5. Step 5: Solve for x
    x = 10,844,439,381.57/117,731.52
  6. Step 6: Final answer
    x = 92,111.61

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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.