Home / 43,267.96-64,763.43-31,380.40

Finding the Fourth Proportional to 43,267.96, 64,763.43 and 31,380.40

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Solution

The fourth proportional to 43,267.96, 64,763.43 and 31,380.40 is: 46,970.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,267.96 : 64,763.43 = 31,380.40 : x
  2. Step 2: Convert to fraction form
    43,267.96/64,763.43 = 31,380.40/x
  3. Step 3: Cross multiply
    43,267.96x = 64,763.43 × 31,380.40
  4. Step 4: Simplify right side
    43,267.96x = 2,032,302,338.77
  5. Step 5: Solve for x
    x = 2,032,302,338.77/43,267.96
  6. Step 6: Final answer
    x = 46,970.14

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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.