Home / 85,529.18-118,028.23-47,806.94

Finding the Fourth Proportional to 85,529.18, 118,028.23 and 47,806.94

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Solution

The fourth proportional to 85,529.18, 118,028.23 and 47,806.94 is: 65,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,529.18 : 118,028.23 = 47,806.94 : x
  2. Step 2: Convert to fraction form
    85,529.18/118,028.23 = 47,806.94/x
  3. Step 3: Cross multiply
    85,529.18x = 118,028.23 × 47,806.94
  4. Step 4: Simplify right side
    85,529.18x = 5,642,568,509.92
  5. Step 5: Solve for x
    x = 5,642,568,509.92/85,529.18
  6. Step 6: Final answer
    x = 65,972.44

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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.