Home / 117,500.16-162,149.08-63,784.02

Finding the Fourth Proportional to 117,500.16, 162,149.08 and 63,784.02

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Solution

The fourth proportional to 117,500.16, 162,149.08 and 63,784.02 is: 88,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,500.16 : 162,149.08 = 63,784.02 : x
  2. Step 2: Convert to fraction form
    117,500.16/162,149.08 = 63,784.02/x
  3. Step 3: Cross multiply
    117,500.16x = 162,149.08 × 63,784.02
  4. Step 4: Simplify right side
    117,500.16x = 10,342,520,161.70
  5. Step 5: Solve for x
    x = 10,342,520,161.70/117,500.16
  6. Step 6: Final answer
    x = 88,021.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.