Home / 94,468.74-130,378.78-54,181.64

Finding the Fourth Proportional to 94,468.74, 130,378.78 and 54,181.64

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Solution

The fourth proportional to 94,468.74, 130,378.78 and 54,181.64 is: 74,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,468.74 : 130,378.78 = 54,181.64 : x
  2. Step 2: Convert to fraction form
    94,468.74/130,378.78 = 54,181.64/x
  3. Step 3: Cross multiply
    94,468.74x = 130,378.78 × 54,181.64
  4. Step 4: Simplify right side
    94,468.74x = 7,064,136,121.60
  5. Step 5: Solve for x
    x = 7,064,136,121.60/94,468.74
  6. Step 6: Final answer
    x = 74,777.50

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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.