Home / 109,506.60-164,138.40-42,924.60

Finding the Fourth Proportional to 109,506.60, 164,138.40 and 42,924.60

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Solution

The fourth proportional to 109,506.60, 164,138.40 and 42,924.60 is: 64,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,506.60 : 164,138.40 = 42,924.60 : x
  2. Step 2: Convert to fraction form
    109,506.60/164,138.40 = 42,924.60/x
  3. Step 3: Cross multiply
    109,506.60x = 164,138.40 × 42,924.60
  4. Step 4: Simplify right side
    109,506.60x = 7,045,575,164.64
  5. Step 5: Solve for x
    x = 7,045,575,164.64/109,506.60
  6. Step 6: Final answer
    x = 64,339.27

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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.