Home / 88,076.37-121,576.91-52,266.38

Finding the Fourth Proportional to 88,076.37, 121,576.91 and 52,266.38

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Solution

The fourth proportional to 88,076.37, 121,576.91 and 52,266.38 is: 72,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,076.37 : 121,576.91 = 52,266.38 : x
  2. Step 2: Convert to fraction form
    88,076.37/121,576.91 = 52,266.38/x
  3. Step 3: Cross multiply
    88,076.37x = 121,576.91 × 52,266.38
  4. Step 4: Simplify right side
    88,076.37x = 6,354,384,108.07
  5. Step 5: Solve for x
    x = 6,354,384,108.07/88,076.37
  6. Step 6: Final answer
    x = 72,146.30

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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.