Home / 101,606.36-140,285.28-63,424.06

Finding the Fourth Proportional to 101,606.36, 140,285.28 and 63,424.06

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Solution

The fourth proportional to 101,606.36, 140,285.28 and 63,424.06 is: 87,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,606.36 : 140,285.28 = 63,424.06 : x
  2. Step 2: Convert to fraction form
    101,606.36/140,285.28 = 63,424.06/x
  3. Step 3: Cross multiply
    101,606.36x = 140,285.28 × 63,424.06
  4. Step 4: Simplify right side
    101,606.36x = 8,897,462,015.84
  5. Step 5: Solve for x
    x = 8,897,462,015.84/101,606.36
  6. Step 6: Final answer
    x = 87,567.96

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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.