Home / 95,678.22-132,021-55,384.14

Finding the Fourth Proportional to 95,678.22, 132,021 and 55,384.14

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Solution

The fourth proportional to 95,678.22, 132,021 and 55,384.14 is: 76,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,678.22 : 132,021 = 55,384.14 : x
  2. Step 2: Convert to fraction form
    95,678.22/132,021 = 55,384.14/x
  3. Step 3: Cross multiply
    95,678.22x = 132,021 × 55,384.14
  4. Step 4: Simplify right side
    95,678.22x = 7,311,869,546.94
  5. Step 5: Solve for x
    x = 7,311,869,546.94/95,678.22
  6. Step 6: Final answer
    x = 76,421.46

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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.