Home / 92,731.91-127,970.08-50,290.44

Finding the Fourth Proportional to 92,731.91, 127,970.08 and 50,290.44

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Solution

The fourth proportional to 92,731.91, 127,970.08 and 50,290.44 is: 69,400.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,731.91 : 127,970.08 = 50,290.44 : x
  2. Step 2: Convert to fraction form
    92,731.91/127,970.08 = 50,290.44/x
  3. Step 3: Cross multiply
    92,731.91x = 127,970.08 × 50,290.44
  4. Step 4: Simplify right side
    92,731.91x = 6,435,671,024.42
  5. Step 5: Solve for x
    x = 6,435,671,024.42/92,731.91
  6. Step 6: Final answer
    x = 69,400.83

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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.