Home / 98,890.98-148,416.47-56,222.61

Finding the Fourth Proportional to 98,890.98, 148,416.47 and 56,222.61

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Solution

The fourth proportional to 98,890.98, 148,416.47 and 56,222.61 is: 84,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,890.98 : 148,416.47 = 56,222.61 : x
  2. Step 2: Convert to fraction form
    98,890.98/148,416.47 = 56,222.61/x
  3. Step 3: Cross multiply
    98,890.98x = 148,416.47 × 56,222.61
  4. Step 4: Simplify right side
    98,890.98x = 8,344,361,029.27
  5. Step 5: Solve for x
    x = 8,344,361,029.27/98,890.98
  6. Step 6: Final answer
    x = 84,379.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.