Home / 104,273.04-144,015.52-70,680.72

Finding the Fourth Proportional to 104,273.04, 144,015.52 and 70,680.72

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Solution

The fourth proportional to 104,273.04, 144,015.52 and 70,680.72 is: 97,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,273.04 : 144,015.52 = 70,680.72 : x
  2. Step 2: Convert to fraction form
    104,273.04/144,015.52 = 70,680.72/x
  3. Step 3: Cross multiply
    104,273.04x = 144,015.52 × 70,680.72
  4. Step 4: Simplify right side
    104,273.04x = 10,179,120,644.77
  5. Step 5: Solve for x
    x = 10,179,120,644.77/104,273.04
  6. Step 6: Final answer
    x = 97,619.87

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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.