Home / 52,804.78-72,868.74-28,931.24

Finding the Fourth Proportional to 52,804.78, 72,868.74 and 28,931.24

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Solution

The fourth proportional to 52,804.78, 72,868.74 and 28,931.24 is: 39,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.78 : 72,868.74 = 28,931.24 : x
  2. Step 2: Convert to fraction form
    52,804.78/72,868.74 = 28,931.24/x
  3. Step 3: Cross multiply
    52,804.78x = 72,868.74 × 28,931.24
  4. Step 4: Simplify right side
    52,804.78x = 2,108,183,005.44
  5. Step 5: Solve for x
    x = 2,108,183,005.44/52,804.78
  6. Step 6: Final answer
    x = 39,924.09

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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.