Home / 117,742.28-162,477.78-67,444.52

Finding the Fourth Proportional to 117,742.28, 162,477.78 and 67,444.52

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Solution

The fourth proportional to 117,742.28, 162,477.78 and 67,444.52 is: 93,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.28 : 162,477.78 = 67,444.52 : x
  2. Step 2: Convert to fraction form
    117,742.28/162,477.78 = 67,444.52/x
  3. Step 3: Cross multiply
    117,742.28x = 162,477.78 × 67,444.52
  4. Step 4: Simplify right side
    117,742.28x = 10,958,235,882.77
  5. Step 5: Solve for x
    x = 10,958,235,882.77/117,742.28
  6. Step 6: Final answer
    x = 93,069.68

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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.