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Finding the Fourth Proportional to 73,511.88, 101,409 and 48,033.15

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Solution

The fourth proportional to 73,511.88, 101,409 and 48,033.15 is: 66,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,511.88 : 101,409 = 48,033.15 : x
  2. Step 2: Convert to fraction form
    73,511.88/101,409 = 48,033.15/x
  3. Step 3: Cross multiply
    73,511.88x = 101,409 × 48,033.15
  4. Step 4: Simplify right side
    73,511.88x = 4,870,993,708.35
  5. Step 5: Solve for x
    x = 4,870,993,708.35/73,511.88
  6. Step 6: Final answer
    x = 66,261.31

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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.