Home / 65,707.14-98,630.85-28,285.74

Finding the Fourth Proportional to 65,707.14, 98,630.85 and 28,285.74

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Solution

The fourth proportional to 65,707.14, 98,630.85 and 28,285.74 is: 42,458.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,707.14 : 98,630.85 = 28,285.74 : x
  2. Step 2: Convert to fraction form
    65,707.14/98,630.85 = 28,285.74/x
  3. Step 3: Cross multiply
    65,707.14x = 98,630.85 × 28,285.74
  4. Step 4: Simplify right side
    65,707.14x = 2,789,846,579.08
  5. Step 5: Solve for x
    x = 2,789,846,579.08/65,707.14
  6. Step 6: Final answer
    x = 42,458.80

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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.