Home / 92,237.60-138,356.43-71,208.35

Finding the Fourth Proportional to 92,237.60, 138,356.43 and 71,208.35

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Solution

The fourth proportional to 92,237.60, 138,356.43 and 71,208.35 is: 106,812.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,237.60 : 138,356.43 = 71,208.35 : x
  2. Step 2: Convert to fraction form
    92,237.60/138,356.43 = 71,208.35/x
  3. Step 3: Cross multiply
    92,237.60x = 138,356.43 × 71,208.35
  4. Step 4: Simplify right side
    92,237.60x = 9,852,132,400.41
  5. Step 5: Solve for x
    x = 9,852,132,400.41/92,237.60
  6. Step 6: Final answer
    x = 106,812.55

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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.