Home / 89,926.86-124,099.48-49,639.88

Finding the Fourth Proportional to 89,926.86, 124,099.48 and 49,639.88

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Solution

The fourth proportional to 89,926.86, 124,099.48 and 49,639.88 is: 68,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,926.86 : 124,099.48 = 49,639.88 : x
  2. Step 2: Convert to fraction form
    89,926.86/124,099.48 = 49,639.88/x
  3. Step 3: Cross multiply
    89,926.86x = 124,099.48 × 49,639.88
  4. Step 4: Simplify right side
    89,926.86x = 6,160,283,295.26
  5. Step 5: Solve for x
    x = 6,160,283,295.26/89,926.86
  6. Step 6: Final answer
    x = 68,503.26

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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.