Home / 111,115.16-153,344.64-62,063.44

Finding the Fourth Proportional to 111,115.16, 153,344.64 and 62,063.44

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Solution

The fourth proportional to 111,115.16, 153,344.64 and 62,063.44 is: 85,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,115.16 : 153,344.64 = 62,063.44 : x
  2. Step 2: Convert to fraction form
    111,115.16/153,344.64 = 62,063.44/x
  3. Step 3: Cross multiply
    111,115.16x = 153,344.64 × 62,063.44
  4. Step 4: Simplify right side
    111,115.16x = 9,517,095,863.96
  5. Step 5: Solve for x
    x = 9,517,095,863.96/111,115.16
  6. Step 6: Final answer
    x = 85,650.74

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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.