Home / 68,782.12-103,202.34-37,580.92

Finding the Fourth Proportional to 68,782.12, 103,202.34 and 37,580.92

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Solution

The fourth proportional to 68,782.12, 103,202.34 and 37,580.92 is: 56,387.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.12 : 103,202.34 = 37,580.92 : x
  2. Step 2: Convert to fraction form
    68,782.12/103,202.34 = 37,580.92/x
  3. Step 3: Cross multiply
    68,782.12x = 103,202.34 × 37,580.92
  4. Step 4: Simplify right side
    68,782.12x = 3,878,438,883.35
  5. Step 5: Solve for x
    x = 3,878,438,883.35/68,782.12
  6. Step 6: Final answer
    x = 56,387.31

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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.