Home / 45,570.08-68,313.36-15,971.78

Finding the Fourth Proportional to 45,570.08, 68,313.36 and 15,971.78

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Solution

The fourth proportional to 45,570.08, 68,313.36 and 15,971.78 is: 23,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,570.08 : 68,313.36 = 15,971.78 : x
  2. Step 2: Convert to fraction form
    45,570.08/68,313.36 = 15,971.78/x
  3. Step 3: Cross multiply
    45,570.08x = 68,313.36 × 15,971.78
  4. Step 4: Simplify right side
    45,570.08x = 1,091,085,956.98
  5. Step 5: Solve for x
    x = 1,091,085,956.98/45,570.08
  6. Step 6: Final answer
    x = 23,943.03

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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.