Home / 109,926.90-164,999.70-53,830.35

Finding the Fourth Proportional to 109,926.90, 164,999.70 and 53,830.35

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Solution

The fourth proportional to 109,926.90, 164,999.70 and 53,830.35 is: 80,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,926.90 : 164,999.70 = 53,830.35 : x
  2. Step 2: Convert to fraction form
    109,926.90/164,999.70 = 53,830.35/x
  3. Step 3: Cross multiply
    109,926.90x = 164,999.70 × 53,830.35
  4. Step 4: Simplify right side
    109,926.90x = 8,881,991,600.90
  5. Step 5: Solve for x
    x = 8,881,991,600.90/109,926.90
  6. Step 6: Final answer
    x = 80,799.07

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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.