Home / 58,225.38-87,356.54-20,784.63

Finding the Fourth Proportional to 58,225.38, 87,356.54 and 20,784.63

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Solution

The fourth proportional to 58,225.38, 87,356.54 and 20,784.63 is: 31,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,225.38 : 87,356.54 = 20,784.63 : x
  2. Step 2: Convert to fraction form
    58,225.38/87,356.54 = 20,784.63/x
  3. Step 3: Cross multiply
    58,225.38x = 87,356.54 × 20,784.63
  4. Step 4: Simplify right side
    58,225.38x = 1,815,673,258.06
  5. Step 5: Solve for x
    x = 1,815,673,258.06/58,225.38
  6. Step 6: Final answer
    x = 31,183.54

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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.