Home / 96,847.02-133,661.34-54,405.60

Finding the Fourth Proportional to 96,847.02, 133,661.34 and 54,405.60

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Solution

The fourth proportional to 96,847.02, 133,661.34 and 54,405.60 is: 75,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,847.02 : 133,661.34 = 54,405.60 : x
  2. Step 2: Convert to fraction form
    96,847.02/133,661.34 = 54,405.60/x
  3. Step 3: Cross multiply
    96,847.02x = 133,661.34 × 54,405.60
  4. Step 4: Simplify right side
    96,847.02x = 7,271,925,399.50
  5. Step 5: Solve for x
    x = 7,271,925,399.50/96,847.02
  6. Step 6: Final answer
    x = 75,086.72

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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.