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Finding the Fourth Proportional to 72,953.33, 100,658.46 and 44,272.34

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Solution

The fourth proportional to 72,953.33, 100,658.46 and 44,272.34 is: 61,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,953.33 : 100,658.46 = 44,272.34 : x
  2. Step 2: Convert to fraction form
    72,953.33/100,658.46 = 44,272.34/x
  3. Step 3: Cross multiply
    72,953.33x = 100,658.46 × 44,272.34
  4. Step 4: Simplify right side
    72,953.33x = 4,456,385,721.10
  5. Step 5: Solve for x
    x = 4,456,385,721.10/72,953.33
  6. Step 6: Final answer
    x = 61,085.43

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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.