Home / 45,555.80-68,334.15-15,974.34

Finding the Fourth Proportional to 45,555.80, 68,334.15 and 15,974.34

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Solution

The fourth proportional to 45,555.80, 68,334.15 and 15,974.34 is: 23,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,555.80 : 68,334.15 = 15,974.34 : x
  2. Step 2: Convert to fraction form
    45,555.80/68,334.15 = 15,974.34/x
  3. Step 3: Cross multiply
    45,555.80x = 68,334.15 × 15,974.34
  4. Step 4: Simplify right side
    45,555.80x = 1,091,592,945.71
  5. Step 5: Solve for x
    x = 1,091,592,945.71/45,555.80
  6. Step 6: Final answer
    x = 23,961.67

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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.