Home / 107,383.28-148,192.32-64,348.59

Finding the Fourth Proportional to 107,383.28, 148,192.32 and 64,348.59

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Solution

The fourth proportional to 107,383.28, 148,192.32 and 64,348.59 is: 88,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.28 : 148,192.32 = 64,348.59 : x
  2. Step 2: Convert to fraction form
    107,383.28/148,192.32 = 64,348.59/x
  3. Step 3: Cross multiply
    107,383.28x = 148,192.32 × 64,348.59
  4. Step 4: Simplify right side
    107,383.28x = 9,535,966,519.09
  5. Step 5: Solve for x
    x = 9,535,966,519.09/107,383.28
  6. Step 6: Final answer
    x = 88,803.08

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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.