Home / 108,710.30-163,057.35-45,514.10

Finding the Fourth Proportional to 108,710.30, 163,057.35 and 45,514.10

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Solution

The fourth proportional to 108,710.30, 163,057.35 and 45,514.10 is: 68,267.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,710.30 : 163,057.35 = 45,514.10 : x
  2. Step 2: Convert to fraction form
    108,710.30/163,057.35 = 45,514.10/x
  3. Step 3: Cross multiply
    108,710.30x = 163,057.35 × 45,514.10
  4. Step 4: Simplify right side
    108,710.30x = 7,421,408,533.64
  5. Step 5: Solve for x
    x = 7,421,408,533.64/108,710.30
  6. Step 6: Final answer
    x = 68,267.76

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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.