Home / 112,003.16-154,564.62-61,702.16

Finding the Fourth Proportional to 112,003.16, 154,564.62 and 61,702.16

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Solution

The fourth proportional to 112,003.16, 154,564.62 and 61,702.16 is: 85,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,003.16 : 154,564.62 = 61,702.16 : x
  2. Step 2: Convert to fraction form
    112,003.16/154,564.62 = 61,702.16/x
  3. Step 3: Cross multiply
    112,003.16x = 154,564.62 × 61,702.16
  4. Step 4: Simplify right side
    112,003.16x = 9,536,970,913.58
  5. Step 5: Solve for x
    x = 9,536,970,913.58/112,003.16
  6. Step 6: Final answer
    x = 85,149.12

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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.