Home / 72,977.15-109,508.96-30,854.93

Finding the Fourth Proportional to 72,977.15, 109,508.96 and 30,854.93

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Solution

The fourth proportional to 72,977.15, 109,508.96 and 30,854.93 is: 46,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,977.15 : 109,508.96 = 30,854.93 : x
  2. Step 2: Convert to fraction form
    72,977.15/109,508.96 = 30,854.93/x
  3. Step 3: Cross multiply
    72,977.15x = 109,508.96 × 30,854.93
  4. Step 4: Simplify right side
    72,977.15x = 3,378,890,824.77
  5. Step 5: Solve for x
    x = 3,378,890,824.77/72,977.15
  6. Step 6: Final answer
    x = 46,300.67

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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.