Home / 117,913.48-162,723.52-64,201.40

Finding the Fourth Proportional to 117,913.48, 162,723.52 and 64,201.40

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Solution

The fourth proportional to 117,913.48, 162,723.52 and 64,201.40 is: 88,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.48 : 162,723.52 = 64,201.40 : x
  2. Step 2: Convert to fraction form
    117,913.48/162,723.52 = 64,201.40/x
  3. Step 3: Cross multiply
    117,913.48x = 162,723.52 × 64,201.40
  4. Step 4: Simplify right side
    117,913.48x = 10,447,077,796.93
  5. Step 5: Solve for x
    x = 10,447,077,796.93/117,913.48
  6. Step 6: Final answer
    x = 88,599.52

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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.