Home / 45,786.08-63,178.16-25,643.81

Finding the Fourth Proportional to 45,786.08, 63,178.16 and 25,643.81

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Solution

The fourth proportional to 45,786.08, 63,178.16 and 25,643.81 is: 35,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.08 : 63,178.16 = 25,643.81 : x
  2. Step 2: Convert to fraction form
    45,786.08/63,178.16 = 25,643.81/x
  3. Step 3: Cross multiply
    45,786.08x = 63,178.16 × 25,643.81
  4. Step 4: Simplify right side
    45,786.08x = 1,620,128,287.08
  5. Step 5: Solve for x
    x = 1,620,128,287.08/45,786.08
  6. Step 6: Final answer
    x = 35,384.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.