Home / 78,569.56-108,428.43-44,579.49

Finding the Fourth Proportional to 78,569.56, 108,428.43 and 44,579.49

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Solution

The fourth proportional to 78,569.56, 108,428.43 and 44,579.49 is: 61,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,569.56 : 108,428.43 = 44,579.49 : x
  2. Step 2: Convert to fraction form
    78,569.56/108,428.43 = 44,579.49/x
  3. Step 3: Cross multiply
    78,569.56x = 108,428.43 × 44,579.49
  4. Step 4: Simplify right side
    78,569.56x = 4,833,684,110.90
  5. Step 5: Solve for x
    x = 4,833,684,110.90/78,569.56
  6. Step 6: Final answer
    x = 61,521.08

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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.