Home / 43,335.95-64,997.30-13,749.94

Finding the Fourth Proportional to 43,335.95, 64,997.30 and 13,749.94

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Solution

The fourth proportional to 43,335.95, 64,997.30 and 13,749.94 is: 20,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.95 : 64,997.30 = 13,749.94 : x
  2. Step 2: Convert to fraction form
    43,335.95/64,997.30 = 13,749.94/x
  3. Step 3: Cross multiply
    43,335.95x = 64,997.30 × 13,749.94
  4. Step 4: Simplify right side
    43,335.95x = 893,708,975.16
  5. Step 5: Solve for x
    x = 893,708,975.16/43,335.95
  6. Step 6: Final answer
    x = 20,622.81

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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.