Home / 55,378.09-76,395.80-32,701.64

Finding the Fourth Proportional to 55,378.09, 76,395.80 and 32,701.64

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Solution

The fourth proportional to 55,378.09, 76,395.80 and 32,701.64 is: 45,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.09 : 76,395.80 = 32,701.64 : x
  2. Step 2: Convert to fraction form
    55,378.09/76,395.80 = 32,701.64/x
  3. Step 3: Cross multiply
    55,378.09x = 76,395.80 × 32,701.64
  4. Step 4: Simplify right side
    55,378.09x = 2,498,267,648.89
  5. Step 5: Solve for x
    x = 2,498,267,648.89/55,378.09
  6. Step 6: Final answer
    x = 45,112.92

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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.