Home / 109,688.46-151,370.37-59,387.46

Finding the Fourth Proportional to 109,688.46, 151,370.37 and 59,387.46

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Solution

The fourth proportional to 109,688.46, 151,370.37 and 59,387.46 is: 81,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,688.46 : 151,370.37 = 59,387.46 : x
  2. Step 2: Convert to fraction form
    109,688.46/151,370.37 = 59,387.46/x
  3. Step 3: Cross multiply
    109,688.46x = 151,370.37 × 59,387.46
  4. Step 4: Simplify right side
    109,688.46x = 8,989,501,793.56
  5. Step 5: Solve for x
    x = 8,989,501,793.56/109,688.46
  6. Step 6: Final answer
    x = 81,954.85

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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.