Home / 54,415.60-81,623.40-37,826.80

Finding the Fourth Proportional to 54,415.60, 81,623.40 and 37,826.80

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Solution

The fourth proportional to 54,415.60, 81,623.40 and 37,826.80 is: 56,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,415.60 : 81,623.40 = 37,826.80 : x
  2. Step 2: Convert to fraction form
    54,415.60/81,623.40 = 37,826.80/x
  3. Step 3: Cross multiply
    54,415.60x = 81,623.40 × 37,826.80
  4. Step 4: Simplify right side
    54,415.60x = 3,087,552,027.12
  5. Step 5: Solve for x
    x = 3,087,552,027.12/54,415.60
  6. Step 6: Final answer
    x = 56,740.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.