Home / 72,586.02-100,163.13-40,748.70

Finding the Fourth Proportional to 72,586.02, 100,163.13 and 40,748.70

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Solution

The fourth proportional to 72,586.02, 100,163.13 and 40,748.70 is: 56,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,586.02 : 100,163.13 = 40,748.70 : x
  2. Step 2: Convert to fraction form
    72,586.02/100,163.13 = 40,748.70/x
  3. Step 3: Cross multiply
    72,586.02x = 100,163.13 × 40,748.70
  4. Step 4: Simplify right side
    72,586.02x = 4,081,517,335.43
  5. Step 5: Solve for x
    x = 4,081,517,335.43/72,586.02
  6. Step 6: Final answer
    x = 56,230.07

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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.