Home / 97,709.06-146,574.21-31,133.54

Finding the Fourth Proportional to 97,709.06, 146,574.21 and 31,133.54

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Solution

The fourth proportional to 97,709.06, 146,574.21 and 31,133.54 is: 46,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,709.06 : 146,574.21 = 31,133.54 : x
  2. Step 2: Convert to fraction form
    97,709.06/146,574.21 = 31,133.54/x
  3. Step 3: Cross multiply
    97,709.06x = 146,574.21 × 31,133.54
  4. Step 4: Simplify right side
    97,709.06x = 4,563,374,030.00
  5. Step 5: Solve for x
    x = 4,563,374,030.00/97,709.06
  6. Step 6: Final answer
    x = 46,703.69

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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.