Home / 69,547.20-104,378.40-32,164.80

Finding the Fourth Proportional to 69,547.20, 104,378.40 and 32,164.80

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Solution

The fourth proportional to 69,547.20, 104,378.40 and 32,164.80 is: 48,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547.20 : 104,378.40 = 32,164.80 : x
  2. Step 2: Convert to fraction form
    69,547.20/104,378.40 = 32,164.80/x
  3. Step 3: Cross multiply
    69,547.20x = 104,378.40 × 32,164.80
  4. Step 4: Simplify right side
    69,547.20x = 3,357,310,360.32
  5. Step 5: Solve for x
    x = 3,357,310,360.32/69,547.20
  6. Step 6: Final answer
    x = 48,273.84

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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.