Home / 94,735.78-130,717.20-57,012.46

Finding the Fourth Proportional to 94,735.78, 130,717.20 and 57,012.46

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Solution

The fourth proportional to 94,735.78, 130,717.20 and 57,012.46 is: 78,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,735.78 : 130,717.20 = 57,012.46 : x
  2. Step 2: Convert to fraction form
    94,735.78/130,717.20 = 57,012.46/x
  3. Step 3: Cross multiply
    94,735.78x = 130,717.20 × 57,012.46
  4. Step 4: Simplify right side
    94,735.78x = 7,452,509,136.31
  5. Step 5: Solve for x
    x = 7,452,509,136.31/94,735.78
  6. Step 6: Final answer
    x = 78,666.26

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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.