Home / 58,515.87-80,751.91-31,658.36

Finding the Fourth Proportional to 58,515.87, 80,751.91 and 31,658.36

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Solution

The fourth proportional to 58,515.87, 80,751.91 and 31,658.36 is: 43,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,515.87 : 80,751.91 = 31,658.36 : x
  2. Step 2: Convert to fraction form
    58,515.87/80,751.91 = 31,658.36/x
  3. Step 3: Cross multiply
    58,515.87x = 80,751.91 × 31,658.36
  4. Step 4: Simplify right side
    58,515.87x = 2,556,473,081.06
  5. Step 5: Solve for x
    x = 2,556,473,081.06/58,515.87
  6. Step 6: Final answer
    x = 43,688.54

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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.