Home / 45,972.11-68,940.16-17,888.45

Finding the Fourth Proportional to 45,972.11, 68,940.16 and 17,888.45

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Solution

The fourth proportional to 45,972.11, 68,940.16 and 17,888.45 is: 26,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,972.11 : 68,940.16 = 17,888.45 : x
  2. Step 2: Convert to fraction form
    45,972.11/68,940.16 = 17,888.45/x
  3. Step 3: Cross multiply
    45,972.11x = 68,940.16 × 17,888.45
  4. Step 4: Simplify right side
    45,972.11x = 1,233,232,316.35
  5. Step 5: Solve for x
    x = 1,233,232,316.35/45,972.11
  6. Step 6: Final answer
    x = 26,825.66

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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.