Home / 105,923.16-158,807.75-49,734.34

Finding the Fourth Proportional to 105,923.16, 158,807.75 and 49,734.34

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Solution

The fourth proportional to 105,923.16, 158,807.75 and 49,734.34 is: 74,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.16 : 158,807.75 = 49,734.34 : x
  2. Step 2: Convert to fraction form
    105,923.16/158,807.75 = 49,734.34/x
  3. Step 3: Cross multiply
    105,923.16x = 158,807.75 × 49,734.34
  4. Step 4: Simplify right side
    105,923.16x = 7,898,198,633.14
  5. Step 5: Solve for x
    x = 7,898,198,633.14/105,923.16
  6. Step 6: Final answer
    x = 74,565.36

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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.