Home / 45,705.54-63,100.86-28,724.16

Finding the Fourth Proportional to 45,705.54, 63,100.86 and 28,724.16

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Solution

The fourth proportional to 45,705.54, 63,100.86 and 28,724.16 is: 39,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.54 : 63,100.86 = 28,724.16 : x
  2. Step 2: Convert to fraction form
    45,705.54/63,100.86 = 28,724.16/x
  3. Step 3: Cross multiply
    45,705.54x = 63,100.86 × 28,724.16
  4. Step 4: Simplify right side
    45,705.54x = 1,812,519,198.78
  5. Step 5: Solve for x
    x = 1,812,519,198.78/45,705.54
  6. Step 6: Final answer
    x = 39,656.44

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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.