Home / 58,046.25-87,069.37-38,320.20

Finding the Fourth Proportional to 58,046.25, 87,069.37 and 38,320.20

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Solution

The fourth proportional to 58,046.25, 87,069.37 and 38,320.20 is: 57,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,046.25 : 87,069.37 = 38,320.20 : x
  2. Step 2: Convert to fraction form
    58,046.25/87,069.37 = 38,320.20/x
  3. Step 3: Cross multiply
    58,046.25x = 87,069.37 × 38,320.20
  4. Step 4: Simplify right side
    58,046.25x = 3,336,515,672.27
  5. Step 5: Solve for x
    x = 3,336,515,672.27/58,046.25
  6. Step 6: Final answer
    x = 57,480.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.