Home / 90,505.60-124,904.56-50,226.98

Finding the Fourth Proportional to 90,505.60, 124,904.56 and 50,226.98

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Solution

The fourth proportional to 90,505.60, 124,904.56 and 50,226.98 is: 69,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,505.60 : 124,904.56 = 50,226.98 : x
  2. Step 2: Convert to fraction form
    90,505.60/124,904.56 = 50,226.98/x
  3. Step 3: Cross multiply
    90,505.60x = 124,904.56 × 50,226.98
  4. Step 4: Simplify right side
    90,505.60x = 6,273,578,837.03
  5. Step 5: Solve for x
    x = 6,273,578,837.03/90,505.60
  6. Step 6: Final answer
    x = 69,317.02

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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.