Home / 117,746.26-162,490.92-64,031.78

Finding the Fourth Proportional to 117,746.26, 162,490.92 and 64,031.78

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Solution

The fourth proportional to 117,746.26, 162,490.92 and 64,031.78 is: 88,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,746.26 : 162,490.92 = 64,031.78 : x
  2. Step 2: Convert to fraction form
    117,746.26/162,490.92 = 64,031.78/x
  3. Step 3: Cross multiply
    117,746.26x = 162,490.92 × 64,031.78
  4. Step 4: Simplify right side
    117,746.26x = 10,404,582,841.44
  5. Step 5: Solve for x
    x = 10,404,582,841.44/117,746.26
  6. Step 6: Final answer
    x = 88,364.44

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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.