Home / 45,113.79-62,114.37-39,732.42

Finding the Fourth Proportional to 45,113.79, 62,114.37 and 39,732.42

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Solution

The fourth proportional to 45,113.79, 62,114.37 and 39,732.42 is: 54,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,113.79 : 62,114.37 = 39,732.42 : x
  2. Step 2: Convert to fraction form
    45,113.79/62,114.37 = 39,732.42/x
  3. Step 3: Cross multiply
    45,113.79x = 62,114.37 × 39,732.42
  4. Step 4: Simplify right side
    45,113.79x = 2,467,954,236.88
  5. Step 5: Solve for x
    x = 2,467,954,236.88/45,113.79
  6. Step 6: Final answer
    x = 54,705.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.