Home / 104,922.18-157,429.71-54,990.32

Finding the Fourth Proportional to 104,922.18, 157,429.71 and 54,990.32

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Solution

The fourth proportional to 104,922.18, 157,429.71 and 54,990.32 is: 82,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,922.18 : 157,429.71 = 54,990.32 : x
  2. Step 2: Convert to fraction form
    104,922.18/157,429.71 = 54,990.32/x
  3. Step 3: Cross multiply
    104,922.18x = 157,429.71 × 54,990.32
  4. Step 4: Simplify right side
    104,922.18x = 8,657,109,343.26
  5. Step 5: Solve for x
    x = 8,657,109,343.26/104,922.18
  6. Step 6: Final answer
    x = 82,509.81

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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.