Home / 92,237.35-138,356.06-71,208.09

Finding the Fourth Proportional to 92,237.35, 138,356.06 and 71,208.09

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Solution

The fourth proportional to 92,237.35, 138,356.06 and 71,208.09 is: 106,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,237.35 : 138,356.06 = 71,208.09 : x
  2. Step 2: Convert to fraction form
    92,237.35/138,356.06 = 71,208.09/x
  3. Step 3: Cross multiply
    92,237.35x = 138,356.06 × 71,208.09
  4. Step 4: Simplify right side
    92,237.35x = 9,852,070,070.59
  5. Step 5: Solve for x
    x = 9,852,070,070.59/92,237.35
  6. Step 6: Final answer
    x = 106,812.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.