Home / 81,916.76-113,045.38-46,107.32

Finding the Fourth Proportional to 81,916.76, 113,045.38 and 46,107.32

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Solution

The fourth proportional to 81,916.76, 113,045.38 and 46,107.32 is: 63,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,916.76 : 113,045.38 = 46,107.32 : x
  2. Step 2: Convert to fraction form
    81,916.76/113,045.38 = 46,107.32/x
  3. Step 3: Cross multiply
    81,916.76x = 113,045.38 × 46,107.32
  4. Step 4: Simplify right side
    81,916.76x = 5,212,219,510.18
  5. Step 5: Solve for x
    x = 5,212,219,510.18/81,916.76
  6. Step 6: Final answer
    x = 63,628.24

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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.