Home / 94,735.20-130,734-57,001.44

Finding the Fourth Proportional to 94,735.20, 130,734 and 57,001.44

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Solution

The fourth proportional to 94,735.20, 130,734 and 57,001.44 is: 78,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,735.20 : 130,734 = 57,001.44 : x
  2. Step 2: Convert to fraction form
    94,735.20/130,734 = 57,001.44/x
  3. Step 3: Cross multiply
    94,735.20x = 130,734 × 57,001.44
  4. Step 4: Simplify right side
    94,735.20x = 7,452,026,256.96
  5. Step 5: Solve for x
    x = 7,452,026,256.96/94,735.20
  6. Step 6: Final answer
    x = 78,661.64

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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.