Home / 65,724.94-98,618.50-34,118.20

Finding the Fourth Proportional to 65,724.94, 98,618.50 and 34,118.20

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Solution

The fourth proportional to 65,724.94, 98,618.50 and 34,118.20 is: 51,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,724.94 : 98,618.50 = 34,118.20 : x
  2. Step 2: Convert to fraction form
    65,724.94/98,618.50 = 34,118.20/x
  3. Step 3: Cross multiply
    65,724.94x = 98,618.50 × 34,118.20
  4. Step 4: Simplify right side
    65,724.94x = 3,364,685,706.70
  5. Step 5: Solve for x
    x = 3,364,685,706.70/65,724.94
  6. Step 6: Final answer
    x = 51,193.44

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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.