Home / 110,579.10-165,868.65-65,672.70

Finding the Fourth Proportional to 110,579.10, 165,868.65 and 65,672.70

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Solution

The fourth proportional to 110,579.10, 165,868.65 and 65,672.70 is: 98,509.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,579.10 : 165,868.65 = 65,672.70 : x
  2. Step 2: Convert to fraction form
    110,579.10/165,868.65 = 65,672.70/x
  3. Step 3: Cross multiply
    110,579.10x = 165,868.65 × 65,672.70
  4. Step 4: Simplify right side
    110,579.10x = 10,893,042,090.86
  5. Step 5: Solve for x
    x = 10,893,042,090.86/110,579.10
  6. Step 6: Final answer
    x = 98,509.05

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1.5x scale

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.