Home / 70,695.08-106,031.61-45,910.83

Finding the Fourth Proportional to 70,695.08, 106,031.61 and 45,910.83

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Solution

The fourth proportional to 70,695.08, 106,031.61 and 45,910.83 is: 68,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,695.08 : 106,031.61 = 45,910.83 : x
  2. Step 2: Convert to fraction form
    70,695.08/106,031.61 = 45,910.83/x
  3. Step 3: Cross multiply
    70,695.08x = 106,031.61 × 45,910.83
  4. Step 4: Simplify right side
    70,695.08x = 4,867,999,221.34
  5. Step 5: Solve for x
    x = 4,867,999,221.34/70,695.08
  6. Step 6: Final answer
    x = 68,859.10

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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.