Home / 82,868.69-124,303.04-29,558.51

Finding the Fourth Proportional to 82,868.69, 124,303.04 and 29,558.51

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Solution

The fourth proportional to 82,868.69, 124,303.04 and 29,558.51 is: 44,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,868.69 : 124,303.04 = 29,558.51 : x
  2. Step 2: Convert to fraction form
    82,868.69/124,303.04 = 29,558.51/x
  3. Step 3: Cross multiply
    82,868.69x = 124,303.04 × 29,558.51
  4. Step 4: Simplify right side
    82,868.69x = 3,674,212,650.87
  5. Step 5: Solve for x
    x = 3,674,212,650.87/82,868.69
  6. Step 6: Final answer
    x = 44,337.77

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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.