Home / 69,681.36-96,156.64-37,850.20

Finding the Fourth Proportional to 69,681.36, 96,156.64 and 37,850.20

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Solution

The fourth proportional to 69,681.36, 96,156.64 and 37,850.20 is: 52,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,681.36 : 96,156.64 = 37,850.20 : x
  2. Step 2: Convert to fraction form
    69,681.36/96,156.64 = 37,850.20/x
  3. Step 3: Cross multiply
    69,681.36x = 96,156.64 × 37,850.20
  4. Step 4: Simplify right side
    69,681.36x = 3,639,548,055.33
  5. Step 5: Solve for x
    x = 3,639,548,055.33/69,681.36
  6. Step 6: Final answer
    x = 52,231.30

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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.