Home / 79,448.17-119,170.43-39,994.69

Finding the Fourth Proportional to 79,448.17, 119,170.43 and 39,994.69

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Solution

The fourth proportional to 79,448.17, 119,170.43 and 39,994.69 is: 59,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.17 : 119,170.43 = 39,994.69 : x
  2. Step 2: Convert to fraction form
    79,448.17/119,170.43 = 39,994.69/x
  3. Step 3: Cross multiply
    79,448.17x = 119,170.43 × 39,994.69
  4. Step 4: Simplify right side
    79,448.17x = 4,766,184,405.02
  5. Step 5: Solve for x
    x = 4,766,184,405.02/79,448.17
  6. Step 6: Final answer
    x = 59,991.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.