Home / 68,930.02-95,121.02-42,117.40

Finding the Fourth Proportional to 68,930.02, 95,121.02 and 42,117.40

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Solution

The fourth proportional to 68,930.02, 95,121.02 and 42,117.40 is: 58,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,930.02 : 95,121.02 = 42,117.40 : x
  2. Step 2: Convert to fraction form
    68,930.02/95,121.02 = 42,117.40/x
  3. Step 3: Cross multiply
    68,930.02x = 95,121.02 × 42,117.40
  4. Step 4: Simplify right side
    68,930.02x = 4,006,250,047.75
  5. Step 5: Solve for x
    x = 4,006,250,047.75/68,930.02
  6. Step 6: Final answer
    x = 58,120.54

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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.