Home / 90,319.52-124,639.29-50,033.15

Finding the Fourth Proportional to 90,319.52, 124,639.29 and 50,033.15

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Solution

The fourth proportional to 90,319.52, 124,639.29 and 50,033.15 is: 69,044.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,319.52 : 124,639.29 = 50,033.15 : x
  2. Step 2: Convert to fraction form
    90,319.52/124,639.29 = 50,033.15/x
  3. Step 3: Cross multiply
    90,319.52x = 124,639.29 × 50,033.15
  4. Step 4: Simplify right side
    90,319.52x = 6,236,096,292.46
  5. Step 5: Solve for x
    x = 6,236,096,292.46/90,319.52
  6. Step 6: Final answer
    x = 69,044.84

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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.