Home / 45,078.45-62,187.31-29,168.02

Finding the Fourth Proportional to 45,078.45, 62,187.31 and 29,168.02

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Solution

The fourth proportional to 45,078.45, 62,187.31 and 29,168.02 is: 40,238.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.45 : 62,187.31 = 29,168.02 : x
  2. Step 2: Convert to fraction form
    45,078.45/62,187.31 = 29,168.02/x
  3. Step 3: Cross multiply
    45,078.45x = 62,187.31 × 29,168.02
  4. Step 4: Simplify right side
    45,078.45x = 1,813,880,701.83
  5. Step 5: Solve for x
    x = 1,813,880,701.83/45,078.45
  6. Step 6: Final answer
    x = 40,238.31

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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.