Home / 46,390.63-64,071.23-31,256.79

Finding the Fourth Proportional to 46,390.63, 64,071.23 and 31,256.79

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Solution

The fourth proportional to 46,390.63, 64,071.23 and 31,256.79 is: 43,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,390.63 : 64,071.23 = 31,256.79 : x
  2. Step 2: Convert to fraction form
    46,390.63/64,071.23 = 31,256.79/x
  3. Step 3: Cross multiply
    46,390.63x = 64,071.23 × 31,256.79
  4. Step 4: Simplify right side
    46,390.63x = 2,002,660,824.87
  5. Step 5: Solve for x
    x = 2,002,660,824.87/46,390.63
  6. Step 6: Final answer
    x = 43,169.51

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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.