Home / 103,632.35-155,563.73-64,233.95

Finding the Fourth Proportional to 103,632.35, 155,563.73 and 64,233.95

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Solution

The fourth proportional to 103,632.35, 155,563.73 and 64,233.95 is: 96,422.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.35 : 155,563.73 = 64,233.95 : x
  2. Step 2: Convert to fraction form
    103,632.35/155,563.73 = 64,233.95/x
  3. Step 3: Cross multiply
    103,632.35x = 155,563.73 × 64,233.95
  4. Step 4: Simplify right side
    103,632.35x = 9,992,472,854.63
  5. Step 5: Solve for x
    x = 9,992,472,854.63/103,632.35
  6. Step 6: Final answer
    x = 96,422.33

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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.