Home / 90,338.64-124,668.32-50,053.04

Finding the Fourth Proportional to 90,338.64, 124,668.32 and 50,053.04

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Solution

The fourth proportional to 90,338.64, 124,668.32 and 50,053.04 is: 69,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,338.64 : 124,668.32 = 50,053.04 : x
  2. Step 2: Convert to fraction form
    90,338.64/124,668.32 = 50,053.04/x
  3. Step 3: Cross multiply
    90,338.64x = 124,668.32 × 50,053.04
  4. Step 4: Simplify right side
    90,338.64x = 6,240,027,534.09
  5. Step 5: Solve for x
    x = 6,240,027,534.09/90,338.64
  6. Step 6: Final answer
    x = 69,073.74

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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.