Home / 117,486.95-162,134.87-63,771.83

Finding the Fourth Proportional to 117,486.95, 162,134.87 and 63,771.83

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Solution

The fourth proportional to 117,486.95, 162,134.87 and 63,771.83 is: 88,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.95 : 162,134.87 = 63,771.83 : x
  2. Step 2: Convert to fraction form
    117,486.95/162,134.87 = 63,771.83/x
  3. Step 3: Cross multiply
    117,486.95x = 162,134.87 × 63,771.83
  4. Step 4: Simplify right side
    117,486.95x = 10,339,637,366.71
  5. Step 5: Solve for x
    x = 10,339,637,366.71/117,486.95
  6. Step 6: Final answer
    x = 88,006.69

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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.