Home / 109,695.90-164,543.85-62,910.30

Finding the Fourth Proportional to 109,695.90, 164,543.85 and 62,910.30

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Solution

The fourth proportional to 109,695.90, 164,543.85 and 62,910.30 is: 94,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,695.90 : 164,543.85 = 62,910.30 : x
  2. Step 2: Convert to fraction form
    109,695.90/164,543.85 = 62,910.30/x
  3. Step 3: Cross multiply
    109,695.90x = 164,543.85 × 62,910.30
  4. Step 4: Simplify right side
    109,695.90x = 10,351,502,966.66
  5. Step 5: Solve for x
    x = 10,351,502,966.66/109,695.90
  6. Step 6: Final answer
    x = 94,365.45

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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.