Home / 93,576.05-129,138.14-51,137.31

Finding the Fourth Proportional to 93,576.05, 129,138.14 and 51,137.31

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Solution

The fourth proportional to 93,576.05, 129,138.14 and 51,137.31 is: 70,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,576.05 : 129,138.14 = 51,137.31 : x
  2. Step 2: Convert to fraction form
    93,576.05/129,138.14 = 51,137.31/x
  3. Step 3: Cross multiply
    93,576.05x = 129,138.14 × 51,137.31
  4. Step 4: Simplify right side
    93,576.05x = 6,603,776,842.32
  5. Step 5: Solve for x
    x = 6,603,776,842.32/93,576.05
  6. Step 6: Final answer
    x = 70,571.23

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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.