Home / 72,826.68-100,508.40-44,551.20

Finding the Fourth Proportional to 72,826.68, 100,508.40 and 44,551.20

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Solution

The fourth proportional to 72,826.68, 100,508.40 and 44,551.20 is: 61,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,826.68 : 100,508.40 = 44,551.20 : x
  2. Step 2: Convert to fraction form
    72,826.68/100,508.40 = 44,551.20/x
  3. Step 3: Cross multiply
    72,826.68x = 100,508.40 × 44,551.20
  4. Step 4: Simplify right side
    72,826.68x = 4,477,769,830.08
  5. Step 5: Solve for x
    x = 4,477,769,830.08/72,826.68
  6. Step 6: Final answer
    x = 61,485.29

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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.