Home / 117,971.01-162,794.38-64,255.77

Finding the Fourth Proportional to 117,971.01, 162,794.38 and 64,255.77

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Solution

The fourth proportional to 117,971.01, 162,794.38 and 64,255.77 is: 88,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,971.01 : 162,794.38 = 64,255.77 : x
  2. Step 2: Convert to fraction form
    117,971.01/162,794.38 = 64,255.77/x
  3. Step 3: Cross multiply
    117,971.01x = 162,794.38 × 64,255.77
  4. Step 4: Simplify right side
    117,971.01x = 10,460,478,238.57
  5. Step 5: Solve for x
    x = 10,460,478,238.57/117,971.01
  6. Step 6: Final answer
    x = 88,669.90

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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.