Home / 58,440.41-80,647.79-31,582.91

Finding the Fourth Proportional to 58,440.41, 80,647.79 and 31,582.91

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Solution

The fourth proportional to 58,440.41, 80,647.79 and 31,582.91 is: 43,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,440.41 : 80,647.79 = 31,582.91 : x
  2. Step 2: Convert to fraction form
    58,440.41/80,647.79 = 31,582.91/x
  3. Step 3: Cross multiply
    58,440.41x = 80,647.79 × 31,582.91
  4. Step 4: Simplify right side
    58,440.41x = 2,547,091,893.27
  5. Step 5: Solve for x
    x = 2,547,091,893.27/58,440.41
  6. Step 6: Final answer
    x = 43,584.43

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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.