Home / 104,453.47-144,180.10-61,431.08

Finding the Fourth Proportional to 104,453.47, 144,180.10 and 61,431.08

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Solution

The fourth proportional to 104,453.47, 144,180.10 and 61,431.08 is: 84,795.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,453.47 : 144,180.10 = 61,431.08 : x
  2. Step 2: Convert to fraction form
    104,453.47/144,180.10 = 61,431.08/x
  3. Step 3: Cross multiply
    104,453.47x = 144,180.10 × 61,431.08
  4. Step 4: Simplify right side
    104,453.47x = 8,857,139,829.92
  5. Step 5: Solve for x
    x = 8,857,139,829.92/104,453.47
  6. Step 6: Final answer
    x = 84,795.07

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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.