Home / 55,480.07-76,558.35-31,602.08

Finding the Fourth Proportional to 55,480.07, 76,558.35 and 31,602.08

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Solution

The fourth proportional to 55,480.07, 76,558.35 and 31,602.08 is: 43,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.07 : 76,558.35 = 31,602.08 : x
  2. Step 2: Convert to fraction form
    55,480.07/76,558.35 = 31,602.08/x
  3. Step 3: Cross multiply
    55,480.07x = 76,558.35 × 31,602.08
  4. Step 4: Simplify right side
    55,480.07x = 2,419,403,101.37
  5. Step 5: Solve for x
    x = 2,419,403,101.37/55,480.07
  6. Step 6: Final answer
    x = 43,608.51

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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.