Home / 123,746.25-170,772.38-70,031.26

Finding the Fourth Proportional to 123,746.25, 170,772.38 and 70,031.26

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Solution

The fourth proportional to 123,746.25, 170,772.38 and 70,031.26 is: 96,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,746.25 : 170,772.38 = 70,031.26 : x
  2. Step 2: Convert to fraction form
    123,746.25/170,772.38 = 70,031.26/x
  3. Step 3: Cross multiply
    123,746.25x = 170,772.38 × 70,031.26
  4. Step 4: Simplify right side
    123,746.25x = 11,959,404,944.60
  5. Step 5: Solve for x
    x = 11,959,404,944.60/123,746.25
  6. Step 6: Final answer
    x = 96,644.58

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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.