Home / 117,717.64-162,456.98-64,001.51

Finding the Fourth Proportional to 117,717.64, 162,456.98 and 64,001.51

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Solution

The fourth proportional to 117,717.64, 162,456.98 and 64,001.51 is: 88,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.64 : 162,456.98 = 64,001.51 : x
  2. Step 2: Convert to fraction form
    117,717.64/162,456.98 = 64,001.51/x
  3. Step 3: Cross multiply
    117,717.64x = 162,456.98 × 64,001.51
  4. Step 4: Simplify right side
    117,717.64x = 10,397,491,506.96
  5. Step 5: Solve for x
    x = 10,397,491,506.96/117,717.64
  6. Step 6: Final answer
    x = 88,325.69

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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.