Home / 117,742.56-162,477.78-64,027.14

Finding the Fourth Proportional to 117,742.56, 162,477.78 and 64,027.14

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Solution

The fourth proportional to 117,742.56, 162,477.78 and 64,027.14 is: 88,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.56 : 162,477.78 = 64,027.14 : x
  2. Step 2: Convert to fraction form
    117,742.56/162,477.78 = 64,027.14/x
  3. Step 3: Cross multiply
    117,742.56x = 162,477.78 × 64,027.14
  4. Step 4: Simplify right side
    117,742.56x = 10,402,987,566.95
  5. Step 5: Solve for x
    x = 10,402,987,566.95/117,742.56
  6. Step 6: Final answer
    x = 88,353.67

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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.