Home / 43,282.08-64,916.58-13,696.06

Finding the Fourth Proportional to 43,282.08, 64,916.58 and 13,696.06

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Solution

The fourth proportional to 43,282.08, 64,916.58 and 13,696.06 is: 20,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,282.08 : 64,916.58 = 13,696.06 : x
  2. Step 2: Convert to fraction form
    43,282.08/64,916.58 = 13,696.06/x
  3. Step 3: Cross multiply
    43,282.08x = 64,916.58 × 13,696.06
  4. Step 4: Simplify right side
    43,282.08x = 889,101,374.67
  5. Step 5: Solve for x
    x = 889,101,374.67/43,282.08
  6. Step 6: Final answer
    x = 20,542.02

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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.