Home / 72,622.06-100,228.53-40,793.38

Finding the Fourth Proportional to 72,622.06, 100,228.53 and 40,793.38

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Solution

The fourth proportional to 72,622.06, 100,228.53 and 40,793.38 is: 56,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,622.06 : 100,228.53 = 40,793.38 : x
  2. Step 2: Convert to fraction form
    72,622.06/100,228.53 = 40,793.38/x
  3. Step 3: Cross multiply
    72,622.06x = 100,228.53 × 40,793.38
  4. Step 4: Simplify right side
    72,622.06x = 4,088,660,511.13
  5. Step 5: Solve for x
    x = 4,088,660,511.13/72,622.06
  6. Step 6: Final answer
    x = 56,300.53

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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.