Home / 69,964.20-104,946.30-65,590.20

Finding the Fourth Proportional to 69,964.20, 104,946.30 and 65,590.20

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Solution

The fourth proportional to 69,964.20, 104,946.30 and 65,590.20 is: 98,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.20 : 104,946.30 = 65,590.20 : x
  2. Step 2: Convert to fraction form
    69,964.20/104,946.30 = 65,590.20/x
  3. Step 3: Cross multiply
    69,964.20x = 104,946.30 × 65,590.20
  4. Step 4: Simplify right side
    69,964.20x = 6,883,448,806.26
  5. Step 5: Solve for x
    x = 6,883,448,806.26/69,964.20
  6. Step 6: Final answer
    x = 98,385.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.