Home / 72,299.48-99,775.38-40,467.56

Finding the Fourth Proportional to 72,299.48, 99,775.38 and 40,467.56

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Solution

The fourth proportional to 72,299.48, 99,775.38 and 40,467.56 is: 55,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.48 : 99,775.38 = 40,467.56 : x
  2. Step 2: Convert to fraction form
    72,299.48/99,775.38 = 40,467.56/x
  3. Step 3: Cross multiply
    72,299.48x = 99,775.38 × 40,467.56
  4. Step 4: Simplify right side
    72,299.48x = 4,037,666,176.67
  5. Step 5: Solve for x
    x = 4,037,666,176.67/72,299.48
  6. Step 6: Final answer
    x = 55,846.41

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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.