Home / 88,693.18-122,395.66-48,406.61

Finding the Fourth Proportional to 88,693.18, 122,395.66 and 48,406.61

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Solution

The fourth proportional to 88,693.18, 122,395.66 and 48,406.61 is: 66,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,693.18 : 122,395.66 = 48,406.61 : x
  2. Step 2: Convert to fraction form
    88,693.18/122,395.66 = 48,406.61/x
  3. Step 3: Cross multiply
    88,693.18x = 122,395.66 × 48,406.61
  4. Step 4: Simplify right side
    88,693.18x = 5,924,759,164.29
  5. Step 5: Solve for x
    x = 5,924,759,164.29/88,693.18
  6. Step 6: Final answer
    x = 66,800.62

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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.