Home / 104,916.11-157,420.64-54,984.31

Finding the Fourth Proportional to 104,916.11, 157,420.64 and 54,984.31

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Solution

The fourth proportional to 104,916.11, 157,420.64 and 54,984.31 is: 82,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916.11 : 157,420.64 = 54,984.31 : x
  2. Step 2: Convert to fraction form
    104,916.11/157,420.64 = 54,984.31/x
  3. Step 3: Cross multiply
    104,916.11x = 157,420.64 × 54,984.31
  4. Step 4: Simplify right side
    104,916.11x = 8,655,665,014.07
  5. Step 5: Solve for x
    x = 8,655,665,014.07/104,916.11
  6. Step 6: Final answer
    x = 82,500.82

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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.