Home / 65,776.24-90,781.93-48,892.60

Finding the Fourth Proportional to 65,776.24, 90,781.93 and 48,892.60

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Solution

The fourth proportional to 65,776.24, 90,781.93 and 48,892.60 is: 67,479.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,776.24 : 90,781.93 = 48,892.60 : x
  2. Step 2: Convert to fraction form
    65,776.24/90,781.93 = 48,892.60/x
  3. Step 3: Cross multiply
    65,776.24x = 90,781.93 × 48,892.60
  4. Step 4: Simplify right side
    65,776.24x = 4,438,564,590.72
  5. Step 5: Solve for x
    x = 4,438,564,590.72/65,776.24
  6. Step 6: Final answer
    x = 67,479.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.