Home / 55,745.16-76,943.07-34,512.36

Finding the Fourth Proportional to 55,745.16, 76,943.07 and 34,512.36

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Solution

The fourth proportional to 55,745.16, 76,943.07 and 34,512.36 is: 47,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,745.16 : 76,943.07 = 34,512.36 : x
  2. Step 2: Convert to fraction form
    55,745.16/76,943.07 = 34,512.36/x
  3. Step 3: Cross multiply
    55,745.16x = 76,943.07 × 34,512.36
  4. Step 4: Simplify right side
    55,745.16x = 2,655,486,931.35
  5. Step 5: Solve for x
    x = 2,655,486,931.35/55,745.16
  6. Step 6: Final answer
    x = 47,636.19

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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.