Home / 78,664.31-108,557.50-44,673.51

Finding the Fourth Proportional to 78,664.31, 108,557.50 and 44,673.51

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Solution

The fourth proportional to 78,664.31, 108,557.50 and 44,673.51 is: 61,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,664.31 : 108,557.50 = 44,673.51 : x
  2. Step 2: Convert to fraction form
    78,664.31/108,557.50 = 44,673.51/x
  3. Step 3: Cross multiply
    78,664.31x = 108,557.50 × 44,673.51
  4. Step 4: Simplify right side
    78,664.31x = 4,849,644,330.36
  5. Step 5: Solve for x
    x = 4,849,644,330.36/78,664.31
  6. Step 6: Final answer
    x = 61,649.86

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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.