Home / 86,195.34-118,951.02-47,957.94

Finding the Fourth Proportional to 86,195.34, 118,951.02 and 47,957.94

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Solution

The fourth proportional to 86,195.34, 118,951.02 and 47,957.94 is: 66,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,195.34 : 118,951.02 = 47,957.94 : x
  2. Step 2: Convert to fraction form
    86,195.34/118,951.02 = 47,957.94/x
  3. Step 3: Cross multiply
    86,195.34x = 118,951.02 × 47,957.94
  4. Step 4: Simplify right side
    86,195.34x = 5,704,645,880.10
  5. Step 5: Solve for x
    x = 5,704,645,880.10/86,195.34
  6. Step 6: Final answer
    x = 66,182.76

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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.