Home / 94,729.15-130,724.25-51,709.49

Finding the Fourth Proportional to 94,729.15, 130,724.25 and 51,709.49

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Solution

The fourth proportional to 94,729.15, 130,724.25 and 51,709.49 is: 71,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,729.15 : 130,724.25 = 51,709.49 : x
  2. Step 2: Convert to fraction form
    94,729.15/130,724.25 = 51,709.49/x
  3. Step 3: Cross multiply
    94,729.15x = 130,724.25 × 51,709.49
  4. Step 4: Simplify right side
    94,729.15x = 6,759,683,940.82
  5. Step 5: Solve for x
    x = 6,759,683,940.82/94,729.15
  6. Step 6: Final answer
    x = 71,358.02

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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.