Home / 98,014.25-135,300.95-66,226.21

Finding the Fourth Proportional to 98,014.25, 135,300.95 and 66,226.21

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Solution

The fourth proportional to 98,014.25, 135,300.95 and 66,226.21 is: 91,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,014.25 : 135,300.95 = 66,226.21 : x
  2. Step 2: Convert to fraction form
    98,014.25/135,300.95 = 66,226.21/x
  3. Step 3: Cross multiply
    98,014.25x = 135,300.95 × 66,226.21
  4. Step 4: Simplify right side
    98,014.25x = 8,960,468,706.86
  5. Step 5: Solve for x
    x = 8,960,468,706.86/98,014.25
  6. Step 6: Final answer
    x = 91,420.06

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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.