Home / 109,062.40-163,617.90-42,496.60

Finding the Fourth Proportional to 109,062.40, 163,617.90 and 42,496.60

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Solution

The fourth proportional to 109,062.40, 163,617.90 and 42,496.60 is: 63,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,062.40 : 163,617.90 = 42,496.60 : x
  2. Step 2: Convert to fraction form
    109,062.40/163,617.90 = 42,496.60/x
  3. Step 3: Cross multiply
    109,062.40x = 163,617.90 × 42,496.60
  4. Step 4: Simplify right side
    109,062.40x = 6,953,204,449.14
  5. Step 5: Solve for x
    x = 6,953,204,449.14/109,062.40
  6. Step 6: Final answer
    x = 63,754.37

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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.