Home / 105,766.11-145,902.88-69,462.35

Finding the Fourth Proportional to 105,766.11, 145,902.88 and 69,462.35

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Solution

The fourth proportional to 105,766.11, 145,902.88 and 69,462.35 is: 95,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,766.11 : 145,902.88 = 69,462.35 : x
  2. Step 2: Convert to fraction form
    105,766.11/145,902.88 = 69,462.35/x
  3. Step 3: Cross multiply
    105,766.11x = 145,902.88 × 69,462.35
  4. Step 4: Simplify right side
    105,766.11x = 10,134,756,273.96
  5. Step 5: Solve for x
    x = 10,134,756,273.96/105,766.11
  6. Step 6: Final answer
    x = 95,822.34

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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.