Home / 69,091.40-103,637.10-47,986.85

Finding the Fourth Proportional to 69,091.40, 103,637.10 and 47,986.85

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Solution

The fourth proportional to 69,091.40, 103,637.10 and 47,986.85 is: 71,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,091.40 : 103,637.10 = 47,986.85 : x
  2. Step 2: Convert to fraction form
    69,091.40/103,637.10 = 47,986.85/x
  3. Step 3: Cross multiply
    69,091.40x = 103,637.10 × 47,986.85
  4. Step 4: Simplify right side
    69,091.40x = 4,973,217,972.14
  5. Step 5: Solve for x
    x = 4,973,217,972.14/69,091.40
  6. Step 6: Final answer
    x = 71,980.28

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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.