Home / 48,268.10-66,607.25-28,128.26

Finding the Fourth Proportional to 48,268.10, 66,607.25 and 28,128.26

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Solution

The fourth proportional to 48,268.10, 66,607.25 and 28,128.26 is: 38,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,268.10 : 66,607.25 = 28,128.26 : x
  2. Step 2: Convert to fraction form
    48,268.10/66,607.25 = 28,128.26/x
  3. Step 3: Cross multiply
    48,268.10x = 66,607.25 × 28,128.26
  4. Step 4: Simplify right side
    48,268.10x = 1,873,546,071.76
  5. Step 5: Solve for x
    x = 1,873,546,071.76/48,268.10
  6. Step 6: Final answer
    x = 38,815.41

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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.