Home / 45,741.48-68,612.06-30,045.56

Finding the Fourth Proportional to 45,741.48, 68,612.06 and 30,045.56

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Solution

The fourth proportional to 45,741.48, 68,612.06 and 30,045.56 is: 45,068.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.48 : 68,612.06 = 30,045.56 : x
  2. Step 2: Convert to fraction form
    45,741.48/68,612.06 = 30,045.56/x
  3. Step 3: Cross multiply
    45,741.48x = 68,612.06 × 30,045.56
  4. Step 4: Simplify right side
    45,741.48x = 2,061,487,765.45
  5. Step 5: Solve for x
    x = 2,061,487,765.45/45,741.48
  6. Step 6: Final answer
    x = 45,068.23

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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.