Home / 98,956.88-136,567.14-55,921.46

Finding the Fourth Proportional to 98,956.88, 136,567.14 and 55,921.46

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Solution

The fourth proportional to 98,956.88, 136,567.14 and 55,921.46 is: 77,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,956.88 : 136,567.14 = 55,921.46 : x
  2. Step 2: Convert to fraction form
    98,956.88/136,567.14 = 55,921.46/x
  3. Step 3: Cross multiply
    98,956.88x = 136,567.14 × 55,921.46
  4. Step 4: Simplify right side
    98,956.88x = 7,637,033,856.82
  5. Step 5: Solve for x
    x = 7,637,033,856.82/98,956.88
  6. Step 6: Final answer
    x = 77,175.37

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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.