Home / 57,074.09-85,509.55-48,668.83

Finding the Fourth Proportional to 57,074.09, 85,509.55 and 48,668.83

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Solution

The fourth proportional to 57,074.09, 85,509.55 and 48,668.83 is: 72,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.09 : 85,509.55 = 48,668.83 : x
  2. Step 2: Convert to fraction form
    57,074.09/85,509.55 = 48,668.83/x
  3. Step 3: Cross multiply
    57,074.09x = 85,509.55 × 48,668.83
  4. Step 4: Simplify right side
    57,074.09x = 4,161,649,752.33
  5. Step 5: Solve for x
    x = 4,161,649,752.33/57,074.09
  6. Step 6: Final answer
    x = 72,916.62

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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.