Home / 109,909.08-151,673.52-62,171.76

Finding the Fourth Proportional to 109,909.08, 151,673.52 and 62,171.76

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Solution

The fourth proportional to 109,909.08, 151,673.52 and 62,171.76 is: 85,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,909.08 : 151,673.52 = 62,171.76 : x
  2. Step 2: Convert to fraction form
    109,909.08/151,673.52 = 62,171.76/x
  3. Step 3: Cross multiply
    109,909.08x = 151,673.52 × 62,171.76
  4. Step 4: Simplify right side
    109,909.08x = 9,429,809,683.80
  5. Step 5: Solve for x
    x = 9,429,809,683.80/109,909.08
  6. Step 6: Final answer
    x = 85,796.46

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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.