Home / 90,982.95-125,560.32-50,696.74

Finding the Fourth Proportional to 90,982.95, 125,560.32 and 50,696.74

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Solution

The fourth proportional to 90,982.95, 125,560.32 and 50,696.74 is: 69,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,982.95 : 125,560.32 = 50,696.74 : x
  2. Step 2: Convert to fraction form
    90,982.95/125,560.32 = 50,696.74/x
  3. Step 3: Cross multiply
    90,982.95x = 125,560.32 × 50,696.74
  4. Step 4: Simplify right side
    90,982.95x = 6,365,498,897.36
  5. Step 5: Solve for x
    x = 6,365,498,897.36/90,982.95
  6. Step 6: Final answer
    x = 69,963.65

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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.