Home / 90,403.17-124,756.36-50,116.83

Finding the Fourth Proportional to 90,403.17, 124,756.36 and 50,116.83

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Solution

The fourth proportional to 90,403.17, 124,756.36 and 50,116.83 is: 69,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,403.17 : 124,756.36 = 50,116.83 : x
  2. Step 2: Convert to fraction form
    90,403.17/124,756.36 = 50,116.83/x
  3. Step 3: Cross multiply
    90,403.17x = 124,756.36 × 50,116.83
  4. Step 4: Simplify right side
    90,403.17x = 6,252,393,285.54
  5. Step 5: Solve for x
    x = 6,252,393,285.54/90,403.17
  6. Step 6: Final answer
    x = 69,161.22

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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.