Home / 109,660.64-151,332.17-59,359.64

Finding the Fourth Proportional to 109,660.64, 151,332.17 and 59,359.64

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Solution

The fourth proportional to 109,660.64, 151,332.17 and 59,359.64 is: 81,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,660.64 : 151,332.17 = 59,359.64 : x
  2. Step 2: Convert to fraction form
    109,660.64/151,332.17 = 59,359.64/x
  3. Step 3: Cross multiply
    109,660.64x = 151,332.17 × 59,359.64
  4. Step 4: Simplify right side
    109,660.64x = 8,983,022,929.40
  5. Step 5: Solve for x
    x = 8,983,022,929.40/109,660.64
  6. Step 6: Final answer
    x = 81,916.56

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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.