Home / 55,661.36-76,820.55-34,447.46

Finding the Fourth Proportional to 55,661.36, 76,820.55 and 34,447.46

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Solution

The fourth proportional to 55,661.36, 76,820.55 and 34,447.46 is: 47,542.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.36 : 76,820.55 = 34,447.46 : x
  2. Step 2: Convert to fraction form
    55,661.36/76,820.55 = 34,447.46/x
  3. Step 3: Cross multiply
    55,661.36x = 76,820.55 × 34,447.46
  4. Step 4: Simplify right side
    55,661.36x = 2,646,272,823.30
  5. Step 5: Solve for x
    x = 2,646,272,823.30/55,661.36
  6. Step 6: Final answer
    x = 47,542.37

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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.