Home / 109,820.92-151,677.36-73,948.64

Finding the Fourth Proportional to 109,820.92, 151,677.36 and 73,948.64

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Solution

The fourth proportional to 109,820.92, 151,677.36 and 73,948.64 is: 102,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,820.92 : 151,677.36 = 73,948.64 : x
  2. Step 2: Convert to fraction form
    109,820.92/151,677.36 = 73,948.64/x
  3. Step 3: Cross multiply
    109,820.92x = 151,677.36 × 73,948.64
  4. Step 4: Simplify right side
    109,820.92x = 11,216,334,490.79
  5. Step 5: Solve for x
    x = 11,216,334,490.79/109,820.92
  6. Step 6: Final answer
    x = 102,132.95

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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.