Home / 105,886.22-146,127.75-63,443.84

Finding the Fourth Proportional to 105,886.22, 146,127.75 and 63,443.84

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Solution

The fourth proportional to 105,886.22, 146,127.75 and 63,443.84 is: 87,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,886.22 : 146,127.75 = 63,443.84 : x
  2. Step 2: Convert to fraction form
    105,886.22/146,127.75 = 63,443.84/x
  3. Step 3: Cross multiply
    105,886.22x = 146,127.75 × 63,443.84
  4. Step 4: Simplify right side
    105,886.22x = 9,270,905,590.56
  5. Step 5: Solve for x
    x = 9,270,905,590.56/105,886.22
  6. Step 6: Final answer
    x = 87,555.36

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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.