Home / 55,132.36-76,090.38-39,868.48

Finding the Fourth Proportional to 55,132.36, 76,090.38 and 39,868.48

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Solution

The fourth proportional to 55,132.36, 76,090.38 and 39,868.48 is: 55,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.36 : 76,090.38 = 39,868.48 : x
  2. Step 2: Convert to fraction form
    55,132.36/76,090.38 = 39,868.48/x
  3. Step 3: Cross multiply
    55,132.36x = 76,090.38 × 39,868.48
  4. Step 4: Simplify right side
    55,132.36x = 3,033,607,793.22
  5. Step 5: Solve for x
    x = 3,033,607,793.22/55,132.36
  6. Step 6: Final answer
    x = 55,024.09

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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.