Home / 58,516.23-80,752.31-31,658.65

Finding the Fourth Proportional to 58,516.23, 80,752.31 and 31,658.65

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Solution

The fourth proportional to 58,516.23, 80,752.31 and 31,658.65 is: 43,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,516.23 : 80,752.31 = 31,658.65 : x
  2. Step 2: Convert to fraction form
    58,516.23/80,752.31 = 31,658.65/x
  3. Step 3: Cross multiply
    58,516.23x = 80,752.31 × 31,658.65
  4. Step 4: Simplify right side
    58,516.23x = 2,556,509,118.98
  5. Step 5: Solve for x
    x = 2,556,509,118.98/58,516.23
  6. Step 6: Final answer
    x = 43,688.89

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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.