Home / 107,769.87-148,716.54-59,362.31

Finding the Fourth Proportional to 107,769.87, 148,716.54 and 59,362.31

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Solution

The fourth proportional to 107,769.87, 148,716.54 and 59,362.31 is: 81,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,769.87 : 148,716.54 = 59,362.31 : x
  2. Step 2: Convert to fraction form
    107,769.87/148,716.54 = 59,362.31/x
  3. Step 3: Cross multiply
    107,769.87x = 148,716.54 × 59,362.31
  4. Step 4: Simplify right side
    107,769.87x = 8,828,157,721.40
  5. Step 5: Solve for x
    x = 8,828,157,721.40/107,769.87
  6. Step 6: Final answer
    x = 81,916.75

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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.