Home / 87,812.53-121,181.46-47,526.64

Finding the Fourth Proportional to 87,812.53, 121,181.46 and 47,526.64

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Solution

The fourth proportional to 87,812.53, 121,181.46 and 47,526.64 is: 65,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,812.53 : 121,181.46 = 47,526.64 : x
  2. Step 2: Convert to fraction form
    87,812.53/121,181.46 = 47,526.64/x
  3. Step 3: Cross multiply
    87,812.53x = 121,181.46 × 47,526.64
  4. Step 4: Simplify right side
    87,812.53x = 5,759,347,142.92
  5. Step 5: Solve for x
    x = 5,759,347,142.92/87,812.53
  6. Step 6: Final answer
    x = 65,586.85

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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.