Home / 97,628.10-146,439.37-31,072.20

Finding the Fourth Proportional to 97,628.10, 146,439.37 and 31,072.20

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Solution

The fourth proportional to 97,628.10, 146,439.37 and 31,072.20 is: 46,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,628.10 : 146,439.37 = 31,072.20 : x
  2. Step 2: Convert to fraction form
    97,628.10/146,439.37 = 31,072.20/x
  3. Step 3: Cross multiply
    97,628.10x = 146,439.37 × 31,072.20
  4. Step 4: Simplify right side
    97,628.10x = 4,550,193,392.51
  5. Step 5: Solve for x
    x = 4,550,193,392.51/97,628.10
  6. Step 6: Final answer
    x = 46,607.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.