Home / 109,917.60-164,876.40-70,551.60

Finding the Fourth Proportional to 109,917.60, 164,876.40 and 70,551.60

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Solution

The fourth proportional to 109,917.60, 164,876.40 and 70,551.60 is: 105,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.60 : 164,876.40 = 70,551.60 : x
  2. Step 2: Convert to fraction form
    109,917.60/164,876.40 = 70,551.60/x
  3. Step 3: Cross multiply
    109,917.60x = 164,876.40 × 70,551.60
  4. Step 4: Simplify right side
    109,917.60x = 11,632,293,822.24
  5. Step 5: Solve for x
    x = 11,632,293,822.24/109,917.60
  6. Step 6: Final answer
    x = 105,827.40

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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.