Home / 72,977.10-100,709.37-44,288.52

Finding the Fourth Proportional to 72,977.10, 100,709.37 and 44,288.52

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Solution

The fourth proportional to 72,977.10, 100,709.37 and 44,288.52 is: 61,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,977.10 : 100,709.37 = 44,288.52 : x
  2. Step 2: Convert to fraction form
    72,977.10/100,709.37 = 44,288.52/x
  3. Step 3: Cross multiply
    72,977.10x = 100,709.37 × 44,288.52
  4. Step 4: Simplify right side
    72,977.10x = 4,460,268,947.43
  5. Step 5: Solve for x
    x = 4,460,268,947.43/72,977.10
  6. Step 6: Final answer
    x = 61,118.75

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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.