Home / 90,274.36-124,578.30-50,530.36

Finding the Fourth Proportional to 90,274.36, 124,578.30 and 50,530.36

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Solution

The fourth proportional to 90,274.36, 124,578.30 and 50,530.36 is: 69,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,274.36 : 124,578.30 = 50,530.36 : x
  2. Step 2: Convert to fraction form
    90,274.36/124,578.30 = 50,530.36/x
  3. Step 3: Cross multiply
    90,274.36x = 124,578.30 × 50,530.36
  4. Step 4: Simplify right side
    90,274.36x = 6,294,986,347.19
  5. Step 5: Solve for x
    x = 6,294,986,347.19/90,274.36
  6. Step 6: Final answer
    x = 69,731.72

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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.