Home / 54,090.51-81,025.61-44,130.75

Finding the Fourth Proportional to 54,090.51, 81,025.61 and 44,130.75

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Solution

The fourth proportional to 54,090.51, 81,025.61 and 44,130.75 is: 66,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.51 : 81,025.61 = 44,130.75 : x
  2. Step 2: Convert to fraction form
    54,090.51/81,025.61 = 44,130.75/x
  3. Step 3: Cross multiply
    54,090.51x = 81,025.61 × 44,130.75
  4. Step 4: Simplify right side
    54,090.51x = 3,575,720,717.85
  5. Step 5: Solve for x
    x = 3,575,720,717.85/54,090.51
  6. Step 6: Final answer
    x = 66,106.25

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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.