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Finding the Fourth Proportional to 72,551.34, 100,092.23 and 41,904.18

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Solution

The fourth proportional to 72,551.34, 100,092.23 and 41,904.18 is: 57,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,551.34 : 100,092.23 = 41,904.18 : x
  2. Step 2: Convert to fraction form
    72,551.34/100,092.23 = 41,904.18/x
  3. Step 3: Cross multiply
    72,551.34x = 100,092.23 × 41,904.18
  4. Step 4: Simplify right side
    72,551.34x = 4,194,282,613.00
  5. Step 5: Solve for x
    x = 4,194,282,613.00/72,551.34
  6. Step 6: Final answer
    x = 57,811.24

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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.