Home / 69,370.00-95,720.35-40,678.84

Finding the Fourth Proportional to 69,370.00, 95,720.35 and 40,678.84

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Solution

The fourth proportional to 69,370.00, 95,720.35 and 40,678.84 is: 56,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,370.00 : 95,720.35 = 40,678.84 : x
  2. Step 2: Convert to fraction form
    69,370.00/95,720.35 = 40,678.84/x
  3. Step 3: Cross multiply
    69,370.00x = 95,720.35 × 40,678.84
  4. Step 4: Simplify right side
    69,370.00x = 3,893,792,725.01
  5. Step 5: Solve for x
    x = 3,893,792,725.01/69,370.00
  6. Step 6: Final answer
    x = 56,130.78

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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.