Home / 107,868.13-161,675.11-48,634.45

Finding the Fourth Proportional to 107,868.13, 161,675.11 and 48,634.45

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Solution

The fourth proportional to 107,868.13, 161,675.11 and 48,634.45 is: 72,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,868.13 : 161,675.11 = 48,634.45 : x
  2. Step 2: Convert to fraction form
    107,868.13/161,675.11 = 48,634.45/x
  3. Step 3: Cross multiply
    107,868.13x = 161,675.11 × 48,634.45
  4. Step 4: Simplify right side
    107,868.13x = 7,862,980,053.54
  5. Step 5: Solve for x
    x = 7,862,980,053.54/107,868.13
  6. Step 6: Final answer
    x = 72,894.38

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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.