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Finding the Fourth Proportional to 72,654.54, 100,300.59 and 50,259.66

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Solution

The fourth proportional to 72,654.54, 100,300.59 and 50,259.66 is: 69,384.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,654.54 : 100,300.59 = 50,259.66 : x
  2. Step 2: Convert to fraction form
    72,654.54/100,300.59 = 50,259.66/x
  3. Step 3: Cross multiply
    72,654.54x = 100,300.59 × 50,259.66
  4. Step 4: Simplify right side
    72,654.54x = 5,041,073,551.20
  5. Step 5: Solve for x
    x = 5,041,073,551.20/72,654.54
  6. Step 6: Final answer
    x = 69,384.15

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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.