Home / 90,359.37-124,696.98-50,073.80

Finding the Fourth Proportional to 90,359.37, 124,696.98 and 50,073.80

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Solution

The fourth proportional to 90,359.37, 124,696.98 and 50,073.80 is: 69,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,359.37 : 124,696.98 = 50,073.80 : x
  2. Step 2: Convert to fraction form
    90,359.37/124,696.98 = 50,073.80/x
  3. Step 3: Cross multiply
    90,359.37x = 124,696.98 × 50,073.80
  4. Step 4: Simplify right side
    90,359.37x = 6,244,051,013.64
  5. Step 5: Solve for x
    x = 6,244,051,013.64/90,359.37
  6. Step 6: Final answer
    x = 69,102.42

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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.