Home / 90,506.28-124,901.52-50,223

Finding the Fourth Proportional to 90,506.28, 124,901.52 and 50,223

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Solution

The fourth proportional to 90,506.28, 124,901.52 and 50,223 is: 69,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.28 : 124,901.52 = 50,223 : x
  2. Step 2: Convert to fraction form
    90,506.28/124,901.52 = 50,223/x
  3. Step 3: Cross multiply
    90,506.28x = 124,901.52 × 50,223
  4. Step 4: Simplify right side
    90,506.28x = 6,272,929,038.96
  5. Step 5: Solve for x
    x = 6,272,929,038.96/90,506.28
  6. Step 6: Final answer
    x = 69,309.32

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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.