Home / 58,678.14-80,975.39-31,820.70

Finding the Fourth Proportional to 58,678.14, 80,975.39 and 31,820.70

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Solution

The fourth proportional to 58,678.14, 80,975.39 and 31,820.70 is: 43,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,678.14 : 80,975.39 = 31,820.70 : x
  2. Step 2: Convert to fraction form
    58,678.14/80,975.39 = 31,820.70/x
  3. Step 3: Cross multiply
    58,678.14x = 80,975.39 × 31,820.70
  4. Step 4: Simplify right side
    58,678.14x = 2,576,693,592.57
  5. Step 5: Solve for x
    x = 2,576,693,592.57/58,678.14
  6. Step 6: Final answer
    x = 43,912.33

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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.