Home / 108,939.53-163,358.27-45,746.17

Finding the Fourth Proportional to 108,939.53, 163,358.27 and 45,746.17

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Solution

The fourth proportional to 108,939.53, 163,358.27 and 45,746.17 is: 68,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,939.53 : 163,358.27 = 45,746.17 : x
  2. Step 2: Convert to fraction form
    108,939.53/163,358.27 = 45,746.17/x
  3. Step 3: Cross multiply
    108,939.53x = 163,358.27 × 45,746.17
  4. Step 4: Simplify right side
    108,939.53x = 7,473,014,724.75
  5. Step 5: Solve for x
    x = 7,473,014,724.75/108,939.53
  6. Step 6: Final answer
    x = 68,597.82

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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.