Home / 117,835.12-162,614.19-64,120.24

Finding the Fourth Proportional to 117,835.12, 162,614.19 and 64,120.24

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Solution

The fourth proportional to 117,835.12, 162,614.19 and 64,120.24 is: 88,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,835.12 : 162,614.19 = 64,120.24 : x
  2. Step 2: Convert to fraction form
    117,835.12/162,614.19 = 64,120.24/x
  3. Step 3: Cross multiply
    117,835.12x = 162,614.19 × 64,120.24
  4. Step 4: Simplify right side
    117,835.12x = 10,426,860,890.21
  5. Step 5: Solve for x
    x = 10,426,860,890.21/117,835.12
  6. Step 6: Final answer
    x = 88,486.87

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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.