Home / 48,090.08-66,367.68-31,323.08

Finding the Fourth Proportional to 48,090.08, 66,367.68 and 31,323.08

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Solution

The fourth proportional to 48,090.08, 66,367.68 and 31,323.08 is: 43,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,090.08 : 66,367.68 = 31,323.08 : x
  2. Step 2: Convert to fraction form
    48,090.08/66,367.68 = 31,323.08/x
  3. Step 3: Cross multiply
    48,090.08x = 66,367.68 × 31,323.08
  4. Step 4: Simplify right side
    48,090.08x = 2,078,840,150.05
  5. Step 5: Solve for x
    x = 2,078,840,150.05/48,090.08
  6. Step 6: Final answer
    x = 43,228.05

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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.