Home / 90,228.50-124,516.43-49,946.02

Finding the Fourth Proportional to 90,228.50, 124,516.43 and 49,946.02

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Solution

The fourth proportional to 90,228.50, 124,516.43 and 49,946.02 is: 68,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,228.50 : 124,516.43 = 49,946.02 : x
  2. Step 2: Convert to fraction form
    90,228.50/124,516.43 = 49,946.02/x
  3. Step 3: Cross multiply
    90,228.50x = 124,516.43 × 49,946.02
  4. Step 4: Simplify right side
    90,228.50x = 6,219,100,103.11
  5. Step 5: Solve for x
    x = 6,219,100,103.11/90,228.50
  6. Step 6: Final answer
    x = 68,926.12

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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.