Home / 90,319.45-124,639.20-50,033.08

Finding the Fourth Proportional to 90,319.45, 124,639.20 and 50,033.08

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Solution

The fourth proportional to 90,319.45, 124,639.20 and 50,033.08 is: 69,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,319.45 : 124,639.20 = 50,033.08 : x
  2. Step 2: Convert to fraction form
    90,319.45/124,639.20 = 50,033.08/x
  3. Step 3: Cross multiply
    90,319.45x = 124,639.20 × 50,033.08
  4. Step 4: Simplify right side
    90,319.45x = 6,236,083,064.74
  5. Step 5: Solve for x
    x = 6,236,083,064.74/90,319.45
  6. Step 6: Final answer
    x = 69,044.74

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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.