Home / 74,957.72-103,431.67-48,136.56

Finding the Fourth Proportional to 74,957.72, 103,431.67 and 48,136.56

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Solution

The fourth proportional to 74,957.72, 103,431.67 and 48,136.56 is: 66,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,957.72 : 103,431.67 = 48,136.56 : x
  2. Step 2: Convert to fraction form
    74,957.72/103,431.67 = 48,136.56/x
  3. Step 3: Cross multiply
    74,957.72x = 103,431.67 × 48,136.56
  4. Step 4: Simplify right side
    74,957.72x = 4,978,844,668.51
  5. Step 5: Solve for x
    x = 4,978,844,668.51/74,957.72
  6. Step 6: Final answer
    x = 66,422.04

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1.5x scale

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.