Home / 105,454.77-157,983.40-52,084.27

Finding the Fourth Proportional to 105,454.77, 157,983.40 and 52,084.27

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Solution

The fourth proportional to 105,454.77, 157,983.40 and 52,084.27 is: 78,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,454.77 : 157,983.40 = 52,084.27 : x
  2. Step 2: Convert to fraction form
    105,454.77/157,983.40 = 52,084.27/x
  3. Step 3: Cross multiply
    105,454.77x = 157,983.40 × 52,084.27
  4. Step 4: Simplify right side
    105,454.77x = 8,228,450,061.12
  5. Step 5: Solve for x
    x = 8,228,450,061.12/105,454.77
  6. Step 6: Final answer
    x = 78,028.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.