Home / 91,009.98-136,576.49-31,846.16

Finding the Fourth Proportional to 91,009.98, 136,576.49 and 31,846.16

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Solution

The fourth proportional to 91,009.98, 136,576.49 and 31,846.16 is: 47,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,009.98 : 136,576.49 = 31,846.16 : x
  2. Step 2: Convert to fraction form
    91,009.98/136,576.49 = 31,846.16/x
  3. Step 3: Cross multiply
    91,009.98x = 136,576.49 × 31,846.16
  4. Step 4: Simplify right side
    91,009.98x = 4,349,436,934.99
  5. Step 5: Solve for x
    x = 4,349,436,934.99/91,009.98
  6. Step 6: Final answer
    x = 47,790.77

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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.