Home / 58,501.24-80,731.49-31,643.72

Finding the Fourth Proportional to 58,501.24, 80,731.49 and 31,643.72

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Solution

The fourth proportional to 58,501.24, 80,731.49 and 31,643.72 is: 43,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,501.24 : 80,731.49 = 31,643.72 : x
  2. Step 2: Convert to fraction form
    58,501.24/80,731.49 = 31,643.72/x
  3. Step 3: Cross multiply
    58,501.24x = 80,731.49 × 31,643.72
  4. Step 4: Simplify right side
    58,501.24x = 2,554,644,102.87
  5. Step 5: Solve for x
    x = 2,554,644,102.87/58,501.24
  6. Step 6: Final answer
    x = 43,668.20

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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.