Home / 104,228.32-143,812.92-61,800.52

Finding the Fourth Proportional to 104,228.32, 143,812.92 and 61,800.52

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Solution

The fourth proportional to 104,228.32, 143,812.92 and 61,800.52 is: 85,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,228.32 : 143,812.92 = 61,800.52 : x
  2. Step 2: Convert to fraction form
    104,228.32/143,812.92 = 61,800.52/x
  3. Step 3: Cross multiply
    104,228.32x = 143,812.92 × 61,800.52
  4. Step 4: Simplify right side
    104,228.32x = 8,887,713,238.72
  5. Step 5: Solve for x
    x = 8,887,713,238.72/104,228.32
  6. Step 6: Final answer
    x = 85,271.58

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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.