Home / 77,766.86-116,652.41-21,607.13

Finding the Fourth Proportional to 77,766.86, 116,652.41 and 21,607.13

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Solution

The fourth proportional to 77,766.86, 116,652.41 and 21,607.13 is: 32,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,766.86 : 116,652.41 = 21,607.13 : x
  2. Step 2: Convert to fraction form
    77,766.86/116,652.41 = 21,607.13/x
  3. Step 3: Cross multiply
    77,766.86x = 116,652.41 × 21,607.13
  4. Step 4: Simplify right side
    77,766.86x = 2,520,523,258.44
  5. Step 5: Solve for x
    x = 2,520,523,258.44/77,766.86
  6. Step 6: Final answer
    x = 32,411.28

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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.