Home / 80,923.59-121,307.04-30,965.22

Finding the Fourth Proportional to 80,923.59, 121,307.04 and 30,965.22

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Solution

The fourth proportional to 80,923.59, 121,307.04 and 30,965.22 is: 46,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,923.59 : 121,307.04 = 30,965.22 : x
  2. Step 2: Convert to fraction form
    80,923.59/121,307.04 = 30,965.22/x
  3. Step 3: Cross multiply
    80,923.59x = 121,307.04 × 30,965.22
  4. Step 4: Simplify right side
    80,923.59x = 3,756,299,181.15
  5. Step 5: Solve for x
    x = 3,756,299,181.15/80,923.59
  6. Step 6: Final answer
    x = 46,417.85

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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.