Home / 117,788.12-162,551.94-67,496.84

Finding the Fourth Proportional to 117,788.12, 162,551.94 and 67,496.84

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Solution

The fourth proportional to 117,788.12, 162,551.94 and 67,496.84 is: 93,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,788.12 : 162,551.94 = 67,496.84 : x
  2. Step 2: Convert to fraction form
    117,788.12/162,551.94 = 67,496.84/x
  3. Step 3: Cross multiply
    117,788.12x = 162,551.94 × 67,496.84
  4. Step 4: Simplify right side
    117,788.12x = 10,971,742,285.87
  5. Step 5: Solve for x
    x = 10,971,742,285.87/117,788.12
  6. Step 6: Final answer
    x = 93,148.12

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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.