Home / 45,916.14-68,900.82-19,259.76

Finding the Fourth Proportional to 45,916.14, 68,900.82 and 19,259.76

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Solution

The fourth proportional to 45,916.14, 68,900.82 and 19,259.76 is: 28,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.14 : 68,900.82 = 19,259.76 : x
  2. Step 2: Convert to fraction form
    45,916.14/68,900.82 = 19,259.76/x
  3. Step 3: Cross multiply
    45,916.14x = 68,900.82 × 19,259.76
  4. Step 4: Simplify right side
    45,916.14x = 1,327,013,257.00
  5. Step 5: Solve for x
    x = 1,327,013,257.00/45,916.14
  6. Step 6: Final answer
    x = 28,900.80

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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.