Home / 104,456.90-144,191.68-70,485.50

Finding the Fourth Proportional to 104,456.90, 144,191.68 and 70,485.50

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Solution

The fourth proportional to 104,456.90, 144,191.68 and 70,485.50 is: 97,297.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.90 : 144,191.68 = 70,485.50 : x
  2. Step 2: Convert to fraction form
    104,456.90/144,191.68 = 70,485.50/x
  3. Step 3: Cross multiply
    104,456.90x = 144,191.68 × 70,485.50
  4. Step 4: Simplify right side
    104,456.90x = 10,163,422,660.64
  5. Step 5: Solve for x
    x = 10,163,422,660.64/104,456.90
  6. Step 6: Final answer
    x = 97,297.76

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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.