Home / 57,428.10-86,228.55-44,295.30

Finding the Fourth Proportional to 57,428.10, 86,228.55 and 44,295.30

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Solution

The fourth proportional to 57,428.10, 86,228.55 and 44,295.30 is: 66,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,428.10 : 86,228.55 = 44,295.30 : x
  2. Step 2: Convert to fraction form
    57,428.10/86,228.55 = 44,295.30/x
  3. Step 3: Cross multiply
    57,428.10x = 86,228.55 × 44,295.30
  4. Step 4: Simplify right side
    57,428.10x = 3,819,519,490.82
  5. Step 5: Solve for x
    x = 3,819,519,490.82/57,428.10
  6. Step 6: Final answer
    x = 66,509.59

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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.