Home / 43,313.13-64,969.70-10,481.13

Finding the Fourth Proportional to 43,313.13, 64,969.70 and 10,481.13

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Solution

The fourth proportional to 43,313.13, 64,969.70 and 10,481.13 is: 15,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.13 : 64,969.70 = 10,481.13 : x
  2. Step 2: Convert to fraction form
    43,313.13/64,969.70 = 10,481.13/x
  3. Step 3: Cross multiply
    43,313.13x = 64,969.70 × 10,481.13
  4. Step 4: Simplify right side
    43,313.13x = 680,955,871.76
  5. Step 5: Solve for x
    x = 680,955,871.76/43,313.13
  6. Step 6: Final answer
    x = 15,721.70

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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.