Home / 117,465.72-162,099.90-63,748.44

Finding the Fourth Proportional to 117,465.72, 162,099.90 and 63,748.44

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Solution

The fourth proportional to 117,465.72, 162,099.90 and 63,748.44 is: 87,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,465.72 : 162,099.90 = 63,748.44 : x
  2. Step 2: Convert to fraction form
    117,465.72/162,099.90 = 63,748.44/x
  3. Step 3: Cross multiply
    117,465.72x = 162,099.90 × 63,748.44
  4. Step 4: Simplify right side
    117,465.72x = 10,333,615,749.16
  5. Step 5: Solve for x
    x = 10,333,615,749.16/117,465.72
  6. Step 6: Final answer
    x = 87,971.33

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1.5x scale

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.