Home / 66,281.36-91,458.60-37,982.48

Finding the Fourth Proportional to 66,281.36, 91,458.60 and 37,982.48

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Solution

The fourth proportional to 66,281.36, 91,458.60 and 37,982.48 is: 52,410.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,281.36 : 91,458.60 = 37,982.48 : x
  2. Step 2: Convert to fraction form
    66,281.36/91,458.60 = 37,982.48/x
  3. Step 3: Cross multiply
    66,281.36x = 91,458.60 × 37,982.48
  4. Step 4: Simplify right side
    66,281.36x = 3,473,824,445.33
  5. Step 5: Solve for x
    x = 3,473,824,445.33/66,281.36
  6. Step 6: Final answer
    x = 52,410.28

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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.