Home / 104,916.53-157,421.31-54,984.75

Finding the Fourth Proportional to 104,916.53, 157,421.31 and 54,984.75

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Solution

The fourth proportional to 104,916.53, 157,421.31 and 54,984.75 is: 82,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916.53 : 157,421.31 = 54,984.75 : x
  2. Step 2: Convert to fraction form
    104,916.53/157,421.31 = 54,984.75/x
  3. Step 3: Cross multiply
    104,916.53x = 157,421.31 × 54,984.75
  4. Step 4: Simplify right side
    104,916.53x = 8,655,771,375.02
  5. Step 5: Solve for x
    x = 8,655,771,375.02/104,916.53
  6. Step 6: Final answer
    x = 82,501.51

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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.