Home / 81,516.94-122,094.75-62,658.10

Finding the Fourth Proportional to 81,516.94, 122,094.75 and 62,658.10

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Solution

The fourth proportional to 81,516.94, 122,094.75 and 62,658.10 is: 93,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,516.94 : 122,094.75 = 62,658.10 : x
  2. Step 2: Convert to fraction form
    81,516.94/122,094.75 = 62,658.10/x
  3. Step 3: Cross multiply
    81,516.94x = 122,094.75 × 62,658.10
  4. Step 4: Simplify right side
    81,516.94x = 7,650,225,054.98
  5. Step 5: Solve for x
    x = 7,650,225,054.98/81,516.94
  6. Step 6: Final answer
    x = 93,848.29

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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.