Home / 87,035.32-120,097.94-53,031.44

Finding the Fourth Proportional to 87,035.32, 120,097.94 and 53,031.44

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Solution

The fourth proportional to 87,035.32, 120,097.94 and 53,031.44 is: 73,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,035.32 : 120,097.94 = 53,031.44 : x
  2. Step 2: Convert to fraction form
    87,035.32/120,097.94 = 53,031.44/x
  3. Step 3: Cross multiply
    87,035.32x = 120,097.94 × 53,031.44
  4. Step 4: Simplify right side
    87,035.32x = 6,368,966,699.23
  5. Step 5: Solve for x
    x = 6,368,966,699.23/87,035.32
  6. Step 6: Final answer
    x = 73,176.81

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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.