Home / 57,737.61-79,615.46-50,118.65

Finding the Fourth Proportional to 57,737.61, 79,615.46 and 50,118.65

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Solution

The fourth proportional to 57,737.61, 79,615.46 and 50,118.65 is: 69,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,737.61 : 79,615.46 = 50,118.65 : x
  2. Step 2: Convert to fraction form
    57,737.61/79,615.46 = 50,118.65/x
  3. Step 3: Cross multiply
    57,737.61x = 79,615.46 × 50,118.65
  4. Step 4: Simplify right side
    57,737.61x = 3,990,219,118.19
  5. Step 5: Solve for x
    x = 3,990,219,118.19/57,737.61
  6. Step 6: Final answer
    x = 69,109.53

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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.