Home / 45,541.67-68,335.74-30,719.53

Finding the Fourth Proportional to 45,541.67, 68,335.74 and 30,719.53

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Solution

The fourth proportional to 45,541.67, 68,335.74 and 30,719.53 is: 46,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,541.67 : 68,335.74 = 30,719.53 : x
  2. Step 2: Convert to fraction form
    45,541.67/68,335.74 = 30,719.53/x
  3. Step 3: Cross multiply
    45,541.67x = 68,335.74 × 30,719.53
  4. Step 4: Simplify right side
    45,541.67x = 2,099,241,644.16
  5. Step 5: Solve for x
    x = 2,099,241,644.16/45,541.67
  6. Step 6: Final answer
    x = 46,094.96

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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.