Home / 72,226.34-99,676.96-40,395.48

Finding the Fourth Proportional to 72,226.34, 99,676.96 and 40,395.48

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Solution

The fourth proportional to 72,226.34, 99,676.96 and 40,395.48 is: 55,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,226.34 : 99,676.96 = 40,395.48 : x
  2. Step 2: Convert to fraction form
    72,226.34/99,676.96 = 40,395.48/x
  3. Step 3: Cross multiply
    72,226.34x = 99,676.96 × 40,395.48
  4. Step 4: Simplify right side
    72,226.34x = 4,026,498,644.14
  5. Step 5: Solve for x
    x = 4,026,498,644.14/72,226.34
  6. Step 6: Final answer
    x = 55,748.34

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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.