Home / 109,750.32-164,612.52-43,239.60

Finding the Fourth Proportional to 109,750.32, 164,612.52 and 43,239.60

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Solution

The fourth proportional to 109,750.32, 164,612.52 and 43,239.60 is: 64,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,750.32 : 164,612.52 = 43,239.60 : x
  2. Step 2: Convert to fraction form
    109,750.32/164,612.52 = 43,239.60/x
  3. Step 3: Cross multiply
    109,750.32x = 164,612.52 × 43,239.60
  4. Step 4: Simplify right side
    109,750.32x = 7,117,779,519.79
  5. Step 5: Solve for x
    x = 7,117,779,519.79/109,750.32
  6. Step 6: Final answer
    x = 64,854.29

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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.