Home / 74,720.24-112,082.64-27,964.16

Finding the Fourth Proportional to 74,720.24, 112,082.64 and 27,964.16

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Solution

The fourth proportional to 74,720.24, 112,082.64 and 27,964.16 is: 41,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,720.24 : 112,082.64 = 27,964.16 : x
  2. Step 2: Convert to fraction form
    74,720.24/112,082.64 = 27,964.16/x
  3. Step 3: Cross multiply
    74,720.24x = 112,082.64 × 27,964.16
  4. Step 4: Simplify right side
    74,720.24x = 3,134,296,878.18
  5. Step 5: Solve for x
    x = 3,134,296,878.18/74,720.24
  6. Step 6: Final answer
    x = 41,947.09

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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.