Home / 55,570.37-76,686.48-30,076.20

Finding the Fourth Proportional to 55,570.37, 76,686.48 and 30,076.20

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Solution

The fourth proportional to 55,570.37, 76,686.48 and 30,076.20 is: 41,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,570.37 : 76,686.48 = 30,076.20 : x
  2. Step 2: Convert to fraction form
    55,570.37/76,686.48 = 30,076.20/x
  3. Step 3: Cross multiply
    55,570.37x = 76,686.48 × 30,076.20
  4. Step 4: Simplify right side
    55,570.37x = 2,306,437,909.78
  5. Step 5: Solve for x
    x = 2,306,437,909.78/55,570.37
  6. Step 6: Final answer
    x = 41,504.82

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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.