Home / 70,028.56-96,639.51-39,813.94

Finding the Fourth Proportional to 70,028.56, 96,639.51 and 39,813.94

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Solution

The fourth proportional to 70,028.56, 96,639.51 and 39,813.94 is: 54,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.56 : 96,639.51 = 39,813.94 : x
  2. Step 2: Convert to fraction form
    70,028.56/96,639.51 = 39,813.94/x
  3. Step 3: Cross multiply
    70,028.56x = 96,639.51 × 39,813.94
  4. Step 4: Simplify right side
    70,028.56x = 3,847,599,652.77
  5. Step 5: Solve for x
    x = 3,847,599,652.77/70,028.56
  6. Step 6: Final answer
    x = 54,943.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.