Home / 55,086.12-76,025.76-31,220.52

Finding the Fourth Proportional to 55,086.12, 76,025.76 and 31,220.52

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Solution

The fourth proportional to 55,086.12, 76,025.76 and 31,220.52 is: 43,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.12 : 76,025.76 = 31,220.52 : x
  2. Step 2: Convert to fraction form
    55,086.12/76,025.76 = 31,220.52/x
  3. Step 3: Cross multiply
    55,086.12x = 76,025.76 × 31,220.52
  4. Step 4: Simplify right side
    55,086.12x = 2,373,563,760.60
  5. Step 5: Solve for x
    x = 2,373,563,760.60/55,086.12
  6. Step 6: Final answer
    x = 43,088.24

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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.