Home / 98,982.36-136,592.10-58,672.32

Finding the Fourth Proportional to 98,982.36, 136,592.10 and 58,672.32

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Solution

The fourth proportional to 98,982.36, 136,592.10 and 58,672.32 is: 80,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.36 : 136,592.10 = 58,672.32 : x
  2. Step 2: Convert to fraction form
    98,982.36/136,592.10 = 58,672.32/x
  3. Step 3: Cross multiply
    98,982.36x = 136,592.10 × 58,672.32
  4. Step 4: Simplify right side
    98,982.36x = 8,014,175,400.67
  5. Step 5: Solve for x
    x = 8,014,175,400.67/98,982.36
  6. Step 6: Final answer
    x = 80,965.69

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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.