Home / 89,902.71-124,056.36-49,615.74

Finding the Fourth Proportional to 89,902.71, 124,056.36 and 49,615.74

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Solution

The fourth proportional to 89,902.71, 124,056.36 and 49,615.74 is: 68,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,902.71 : 124,056.36 = 49,615.74 : x
  2. Step 2: Convert to fraction form
    89,902.71/124,056.36 = 49,615.74/x
  3. Step 3: Cross multiply
    89,902.71x = 124,056.36 × 49,615.74
  4. Step 4: Simplify right side
    89,902.71x = 6,155,148,103.11
  5. Step 5: Solve for x
    x = 6,155,148,103.11/89,902.71
  6. Step 6: Final answer
    x = 68,464.54

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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.