Home / 117,785.48-162,542.25-64,070.93

Finding the Fourth Proportional to 117,785.48, 162,542.25 and 64,070.93

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Solution

The fourth proportional to 117,785.48, 162,542.25 and 64,070.93 is: 88,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,785.48 : 162,542.25 = 64,070.93 : x
  2. Step 2: Convert to fraction form
    117,785.48/162,542.25 = 64,070.93/x
  3. Step 3: Cross multiply
    117,785.48x = 162,542.25 × 64,070.93
  4. Step 4: Simplify right side
    117,785.48x = 10,414,233,121.79
  5. Step 5: Solve for x
    x = 10,414,233,121.79/117,785.48
  6. Step 6: Final answer
    x = 88,416.95

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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.