Home / 58,916.64-81,210.37-39,790.26

Finding the Fourth Proportional to 58,916.64, 81,210.37 and 39,790.26

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Solution

The fourth proportional to 58,916.64, 81,210.37 and 39,790.26 is: 54,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,916.64 : 81,210.37 = 39,790.26 : x
  2. Step 2: Convert to fraction form
    58,916.64/81,210.37 = 39,790.26/x
  3. Step 3: Cross multiply
    58,916.64x = 81,210.37 × 39,790.26
  4. Step 4: Simplify right side
    58,916.64x = 3,231,382,052.44
  5. Step 5: Solve for x
    x = 3,231,382,052.44/58,916.64
  6. Step 6: Final answer
    x = 54,846.68

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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.