Home / 58,219.50-87,339.78-38,514.36

Finding the Fourth Proportional to 58,219.50, 87,339.78 and 38,514.36

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Solution

The fourth proportional to 58,219.50, 87,339.78 and 38,514.36 is: 57,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,219.50 : 87,339.78 = 38,514.36 : x
  2. Step 2: Convert to fraction form
    58,219.50/87,339.78 = 38,514.36/x
  3. Step 3: Cross multiply
    58,219.50x = 87,339.78 × 38,514.36
  4. Step 4: Simplify right side
    58,219.50x = 3,363,835,729.24
  5. Step 5: Solve for x
    x = 3,363,835,729.24/58,219.50
  6. Step 6: Final answer
    x = 57,778.51

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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.