Home / 108,844.72-163,330.08-45,659.20

Finding the Fourth Proportional to 108,844.72, 163,330.08 and 45,659.20

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Solution

The fourth proportional to 108,844.72, 163,330.08 and 45,659.20 is: 68,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,844.72 : 163,330.08 = 45,659.20 : x
  2. Step 2: Convert to fraction form
    108,844.72/163,330.08 = 45,659.20/x
  3. Step 3: Cross multiply
    108,844.72x = 163,330.08 × 45,659.20
  4. Step 4: Simplify right side
    108,844.72x = 7,457,520,788.74
  5. Step 5: Solve for x
    x = 7,457,520,788.74/108,844.72
  6. Step 6: Final answer
    x = 68,515.23

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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.