Home / 90,262.45-124,563.17-49,976.95

Finding the Fourth Proportional to 90,262.45, 124,563.17 and 49,976.95

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Solution

The fourth proportional to 90,262.45, 124,563.17 and 49,976.95 is: 68,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.45 : 124,563.17 = 49,976.95 : x
  2. Step 2: Convert to fraction form
    90,262.45/124,563.17 = 49,976.95/x
  3. Step 3: Cross multiply
    90,262.45x = 124,563.17 × 49,976.95
  4. Step 4: Simplify right side
    90,262.45x = 6,225,287,084.90
  5. Step 5: Solve for x
    x = 6,225,287,084.90/90,262.45
  6. Step 6: Final answer
    x = 68,968.74

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1.5x scale

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.