Home / 57,074.69-78,838.33-43,809.86

Finding the Fourth Proportional to 57,074.69, 78,838.33 and 43,809.86

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Solution

The fourth proportional to 57,074.69, 78,838.33 and 43,809.86 is: 60,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.69 : 78,838.33 = 43,809.86 : x
  2. Step 2: Convert to fraction form
    57,074.69/78,838.33 = 43,809.86/x
  3. Step 3: Cross multiply
    57,074.69x = 78,838.33 × 43,809.86
  4. Step 4: Simplify right side
    57,074.69x = 3,453,896,199.93
  5. Step 5: Solve for x
    x = 3,453,896,199.93/57,074.69
  6. Step 6: Final answer
    x = 60,515.37

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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.