Home / 72,297.37-99,770.33-40,466.26

Finding the Fourth Proportional to 72,297.37, 99,770.33 and 40,466.26

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Solution

The fourth proportional to 72,297.37, 99,770.33 and 40,466.26 is: 55,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.37 : 99,770.33 = 40,466.26 : x
  2. Step 2: Convert to fraction form
    72,297.37/99,770.33 = 40,466.26/x
  3. Step 3: Cross multiply
    72,297.37x = 99,770.33 × 40,466.26
  4. Step 4: Simplify right side
    72,297.37x = 4,037,331,965.81
  5. Step 5: Solve for x
    x = 4,037,331,965.81/72,297.37
  6. Step 6: Final answer
    x = 55,843.42

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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.