Home / 90,463.64-124,854.77-50,190.36

Finding the Fourth Proportional to 90,463.64, 124,854.77 and 50,190.36

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Solution

The fourth proportional to 90,463.64, 124,854.77 and 50,190.36 is: 69,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463.64 : 124,854.77 = 50,190.36 : x
  2. Step 2: Convert to fraction form
    90,463.64/124,854.77 = 50,190.36/x
  3. Step 3: Cross multiply
    90,463.64x = 124,854.77 × 50,190.36
  4. Step 4: Simplify right side
    90,463.64x = 6,266,505,603.07
  5. Step 5: Solve for x
    x = 6,266,505,603.07/90,463.64
  6. Step 6: Final answer
    x = 69,270.99

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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.