Home / 92,432.45-127,556.78-49,990.98

Finding the Fourth Proportional to 92,432.45, 127,556.78 and 49,990.98

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Solution

The fourth proportional to 92,432.45, 127,556.78 and 49,990.98 is: 68,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,432.45 : 127,556.78 = 49,990.98 : x
  2. Step 2: Convert to fraction form
    92,432.45/127,556.78 = 49,990.98/x
  3. Step 3: Cross multiply
    92,432.45x = 127,556.78 × 49,990.98
  4. Step 4: Simplify right side
    92,432.45x = 6,376,688,437.84
  5. Step 5: Solve for x
    x = 6,376,688,437.84/92,432.45
  6. Step 6: Final answer
    x = 68,987.55

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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.