Home / 62,478.83-93,718.17-20,358.86

Finding the Fourth Proportional to 62,478.83, 93,718.17 and 20,358.86

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Solution

The fourth proportional to 62,478.83, 93,718.17 and 20,358.86 is: 30,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,478.83 : 93,718.17 = 20,358.86 : x
  2. Step 2: Convert to fraction form
    62,478.83/93,718.17 = 20,358.86/x
  3. Step 3: Cross multiply
    62,478.83x = 93,718.17 × 20,358.86
  4. Step 4: Simplify right side
    62,478.83x = 1,907,994,633.90
  5. Step 5: Solve for x
    x = 1,907,994,633.90/62,478.83
  6. Step 6: Final answer
    x = 30,538.26

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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.