Home / 105,669.26-145,822.89-57,924.62

Finding the Fourth Proportional to 105,669.26, 145,822.89 and 57,924.62

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Solution

The fourth proportional to 105,669.26, 145,822.89 and 57,924.62 is: 79,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,669.26 : 145,822.89 = 57,924.62 : x
  2. Step 2: Convert to fraction form
    105,669.26/145,822.89 = 57,924.62/x
  3. Step 3: Cross multiply
    105,669.26x = 145,822.89 × 57,924.62
  4. Step 4: Simplify right side
    105,669.26x = 8,446,735,490.55
  5. Step 5: Solve for x
    x = 8,446,735,490.55/105,669.26
  6. Step 6: Final answer
    x = 79,935.60

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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.