Home / 74,143.06-111,213.61-29,769.01

Finding the Fourth Proportional to 74,143.06, 111,213.61 and 29,769.01

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Solution

The fourth proportional to 74,143.06, 111,213.61 and 29,769.01 is: 44,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,143.06 : 111,213.61 = 29,769.01 : x
  2. Step 2: Convert to fraction form
    74,143.06/111,213.61 = 29,769.01/x
  3. Step 3: Cross multiply
    74,143.06x = 111,213.61 × 29,769.01
  4. Step 4: Simplify right side
    74,143.06x = 3,310,719,068.23
  5. Step 5: Solve for x
    x = 3,310,719,068.23/74,143.06
  6. Step 6: Final answer
    x = 44,653.12

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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.