Home / 58,225.29-87,356.37-20,784.54

Finding the Fourth Proportional to 58,225.29, 87,356.37 and 20,784.54

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Solution

The fourth proportional to 58,225.29, 87,356.37 and 20,784.54 is: 31,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,225.29 : 87,356.37 = 20,784.54 : x
  2. Step 2: Convert to fraction form
    58,225.29/87,356.37 = 20,784.54/x
  3. Step 3: Cross multiply
    58,225.29x = 87,356.37 × 20,784.54
  4. Step 4: Simplify right side
    58,225.29x = 1,815,661,966.52
  5. Step 5: Solve for x
    x = 1,815,661,966.52/58,225.29
  6. Step 6: Final answer
    x = 31,183.39

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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.