Home / 46,718.78-64,453.29-28,782.68

Finding the Fourth Proportional to 46,718.78, 64,453.29 and 28,782.68

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Solution

The fourth proportional to 46,718.78, 64,453.29 and 28,782.68 is: 39,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,718.78 : 64,453.29 = 28,782.68 : x
  2. Step 2: Convert to fraction form
    46,718.78/64,453.29 = 28,782.68/x
  3. Step 3: Cross multiply
    46,718.78x = 64,453.29 × 28,782.68
  4. Step 4: Simplify right side
    46,718.78x = 1,855,138,421.02
  5. Step 5: Solve for x
    x = 1,855,138,421.02/46,718.78
  6. Step 6: Final answer
    x = 39,708.62

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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.