Home / 52,130.07-78,183.10-31,076.05

Finding the Fourth Proportional to 52,130.07, 78,183.10 and 31,076.05

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Solution

The fourth proportional to 52,130.07, 78,183.10 and 31,076.05 is: 46,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.07 : 78,183.10 = 31,076.05 : x
  2. Step 2: Convert to fraction form
    52,130.07/78,183.10 = 31,076.05/x
  3. Step 3: Cross multiply
    52,130.07x = 78,183.10 × 31,076.05
  4. Step 4: Simplify right side
    52,130.07x = 2,429,621,924.76
  5. Step 5: Solve for x
    x = 2,429,621,924.76/52,130.07
  6. Step 6: Final answer
    x = 46,606.92

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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.