Home / 104,340.24-143,764.20-70,747.92

Finding the Fourth Proportional to 104,340.24, 143,764.20 and 70,747.92

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Solution

The fourth proportional to 104,340.24, 143,764.20 and 70,747.92 is: 97,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,340.24 : 143,764.20 = 70,747.92 : x
  2. Step 2: Convert to fraction form
    104,340.24/143,764.20 = 70,747.92/x
  3. Step 3: Cross multiply
    104,340.24x = 143,764.20 × 70,747.92
  4. Step 4: Simplify right side
    104,340.24x = 10,171,018,120.46
  5. Step 5: Solve for x
    x = 10,171,018,120.46/104,340.24
  6. Step 6: Final answer
    x = 97,479.34

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1.5x scale

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.