Home / 73,901.08-110,857.73-31,782.16

Finding the Fourth Proportional to 73,901.08, 110,857.73 and 31,782.16

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Solution

The fourth proportional to 73,901.08, 110,857.73 and 31,782.16 is: 47,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,901.08 : 110,857.73 = 31,782.16 : x
  2. Step 2: Convert to fraction form
    73,901.08/110,857.73 = 31,782.16/x
  3. Step 3: Cross multiply
    73,901.08x = 110,857.73 × 31,782.16
  4. Step 4: Simplify right side
    73,901.08x = 3,523,298,112.10
  5. Step 5: Solve for x
    x = 3,523,298,112.10/73,901.08
  6. Step 6: Final answer
    x = 47,675.87

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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.