Home / 46,478.09-64,139.64-25,257.36

Finding the Fourth Proportional to 46,478.09, 64,139.64 and 25,257.36

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Solution

The fourth proportional to 46,478.09, 64,139.64 and 25,257.36 is: 34,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,478.09 : 64,139.64 = 25,257.36 : x
  2. Step 2: Convert to fraction form
    46,478.09/64,139.64 = 25,257.36/x
  3. Step 3: Cross multiply
    46,478.09x = 64,139.64 × 25,257.36
  4. Step 4: Simplify right side
    46,478.09x = 1,619,997,977.75
  5. Step 5: Solve for x
    x = 1,619,997,977.75/46,478.09
  6. Step 6: Final answer
    x = 34,855.09

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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.