Home / 117,742.11-162,484.88-64,027.71

Finding the Fourth Proportional to 117,742.11, 162,484.88 and 64,027.71

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Solution

The fourth proportional to 117,742.11, 162,484.88 and 64,027.71 is: 88,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.11 : 162,484.88 = 64,027.71 : x
  2. Step 2: Convert to fraction form
    117,742.11/162,484.88 = 64,027.71/x
  3. Step 3: Cross multiply
    117,742.11x = 162,484.88 × 64,027.71
  4. Step 4: Simplify right side
    117,742.11x = 10,403,534,455.89
  5. Step 5: Solve for x
    x = 10,403,534,455.89/117,742.11
  6. Step 6: Final answer
    x = 88,358.65

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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.