Home / 94,456.70-130,350.03-51,435.50

Finding the Fourth Proportional to 94,456.70, 130,350.03 and 51,435.50

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Solution

The fourth proportional to 94,456.70, 130,350.03 and 51,435.50 is: 70,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,456.70 : 130,350.03 = 51,435.50 : x
  2. Step 2: Convert to fraction form
    94,456.70/130,350.03 = 51,435.50/x
  3. Step 3: Cross multiply
    94,456.70x = 130,350.03 × 51,435.50
  4. Step 4: Simplify right side
    94,456.70x = 6,704,618,968.07
  5. Step 5: Solve for x
    x = 6,704,618,968.07/94,456.70
  6. Step 6: Final answer
    x = 70,980.87

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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.