Home / 43,335.46-64,996.54-13,749.45

Finding the Fourth Proportional to 43,335.46, 64,996.54 and 13,749.45

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Solution

The fourth proportional to 43,335.46, 64,996.54 and 13,749.45 is: 20,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.46 : 64,996.54 = 13,749.45 : x
  2. Step 2: Convert to fraction form
    43,335.46/64,996.54 = 13,749.45/x
  3. Step 3: Cross multiply
    43,335.46x = 64,996.54 × 13,749.45
  4. Step 4: Simplify right side
    43,335.46x = 893,666,676.90
  5. Step 5: Solve for x
    x = 893,666,676.90/43,335.46
  6. Step 6: Final answer
    x = 20,622.07

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1.5x scale

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.