Home / 45,944.76-68,917.14-13,112.76

Finding the Fourth Proportional to 45,944.76, 68,917.14 and 13,112.76

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Solution

The fourth proportional to 45,944.76, 68,917.14 and 13,112.76 is: 19,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,944.76 : 68,917.14 = 13,112.76 : x
  2. Step 2: Convert to fraction form
    45,944.76/68,917.14 = 13,112.76/x
  3. Step 3: Cross multiply
    45,944.76x = 68,917.14 × 13,112.76
  4. Step 4: Simplify right side
    45,944.76x = 903,693,916.71
  5. Step 5: Solve for x
    x = 903,693,916.71/45,944.76
  6. Step 6: Final answer
    x = 19,669.14

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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.