Home / 94,310.40-130,147.32-51,869.52

Finding the Fourth Proportional to 94,310.40, 130,147.32 and 51,869.52

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Solution

The fourth proportional to 94,310.40, 130,147.32 and 51,869.52 is: 71,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,310.40 : 130,147.32 = 51,869.52 : x
  2. Step 2: Convert to fraction form
    94,310.40/130,147.32 = 51,869.52/x
  3. Step 3: Cross multiply
    94,310.40x = 130,147.32 × 51,869.52
  4. Step 4: Simplify right side
    94,310.40x = 6,750,679,017.69
  5. Step 5: Solve for x
    x = 6,750,679,017.69/94,310.40
  6. Step 6: Final answer
    x = 71,579.37

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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.