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Finding the Fourth Proportional to 72,953.88, 109,119.78 and 44,804.76

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Solution

The fourth proportional to 72,953.88, 109,119.78 and 44,804.76 is: 67,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,953.88 : 109,119.78 = 44,804.76 : x
  2. Step 2: Convert to fraction form
    72,953.88/109,119.78 = 44,804.76/x
  3. Step 3: Cross multiply
    72,953.88x = 109,119.78 × 44,804.76
  4. Step 4: Simplify right side
    72,953.88x = 4,889,085,554.15
  5. Step 5: Solve for x
    x = 4,889,085,554.15/72,953.88
  6. Step 6: Final answer
    x = 67,016.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.