Home / 68,794.23-103,191.48-18,875.01

Finding the Fourth Proportional to 68,794.23, 103,191.48 and 18,875.01

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Solution

The fourth proportional to 68,794.23, 103,191.48 and 18,875.01 is: 28,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,794.23 : 103,191.48 = 18,875.01 : x
  2. Step 2: Convert to fraction form
    68,794.23/103,191.48 = 18,875.01/x
  3. Step 3: Cross multiply
    68,794.23x = 103,191.48 × 18,875.01
  4. Step 4: Simplify right side
    68,794.23x = 1,947,740,216.91
  5. Step 5: Solve for x
    x = 1,947,740,216.91/68,794.23
  6. Step 6: Final answer
    x = 28,312.55

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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.