Home / 58,537.88-80,782.26-31,680.39

Finding the Fourth Proportional to 58,537.88, 80,782.26 and 31,680.39

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Solution

The fourth proportional to 58,537.88, 80,782.26 and 31,680.39 is: 43,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,537.88 : 80,782.26 = 31,680.39 : x
  2. Step 2: Convert to fraction form
    58,537.88/80,782.26 = 31,680.39/x
  3. Step 3: Cross multiply
    58,537.88x = 80,782.26 × 31,680.39
  4. Step 4: Simplify right side
    58,537.88x = 2,559,213,620.68
  5. Step 5: Solve for x
    x = 2,559,213,620.68/58,537.88
  6. Step 6: Final answer
    x = 43,718.93

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1.5x scale

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.