Home / 72,244.09-99,692.83-40,406.84

Finding the Fourth Proportional to 72,244.09, 99,692.83 and 40,406.84

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Solution

The fourth proportional to 72,244.09, 99,692.83 and 40,406.84 is: 55,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244.09 : 99,692.83 = 40,406.84 : x
  2. Step 2: Convert to fraction form
    72,244.09/99,692.83 = 40,406.84/x
  3. Step 3: Cross multiply
    72,244.09x = 99,692.83 × 40,406.84
  4. Step 4: Simplify right side
    72,244.09x = 4,028,271,783.00
  5. Step 5: Solve for x
    x = 4,028,271,783.00/72,244.09
  6. Step 6: Final answer
    x = 55,759.19

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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.