Home / 43,280.09-64,749.32-32,780.36

Finding the Fourth Proportional to 43,280.09, 64,749.32 and 32,780.36

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Solution

The fourth proportional to 43,280.09, 64,749.32 and 32,780.36 is: 49,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.09 : 64,749.32 = 32,780.36 : x
  2. Step 2: Convert to fraction form
    43,280.09/64,749.32 = 32,780.36/x
  3. Step 3: Cross multiply
    43,280.09x = 64,749.32 × 32,780.36
  4. Step 4: Simplify right side
    43,280.09x = 2,122,506,324.64
  5. Step 5: Solve for x
    x = 2,122,506,324.64/43,280.09
  6. Step 6: Final answer
    x = 49,041.17

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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.