Home / 90,342.36-124,662.24-50,045.94

Finding the Fourth Proportional to 90,342.36, 124,662.24 and 50,045.94

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Solution

The fourth proportional to 90,342.36, 124,662.24 and 50,045.94 is: 69,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,342.36 : 124,662.24 = 50,045.94 : x
  2. Step 2: Convert to fraction form
    90,342.36/124,662.24 = 50,045.94/x
  3. Step 3: Cross multiply
    90,342.36x = 124,662.24 × 50,045.94
  4. Step 4: Simplify right side
    90,342.36x = 6,238,838,983.31
  5. Step 5: Solve for x
    x = 6,238,838,983.31/90,342.36
  6. Step 6: Final answer
    x = 69,057.74

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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.