Home / 45,675.10-68,504.56-12,397.76

Finding the Fourth Proportional to 45,675.10, 68,504.56 and 12,397.76

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Solution

The fourth proportional to 45,675.10, 68,504.56 and 12,397.76 is: 18,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,675.10 : 68,504.56 = 12,397.76 : x
  2. Step 2: Convert to fraction form
    45,675.10/68,504.56 = 12,397.76/x
  3. Step 3: Cross multiply
    45,675.10x = 68,504.56 × 12,397.76
  4. Step 4: Simplify right side
    45,675.10x = 849,303,093.79
  5. Step 5: Solve for x
    x = 849,303,093.79/45,675.10
  6. Step 6: Final answer
    x = 18,594.44

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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.