Home / 51,972.05-77,966.25-16,903.51

Finding the Fourth Proportional to 51,972.05, 77,966.25 and 16,903.51

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Solution

The fourth proportional to 51,972.05, 77,966.25 and 16,903.51 is: 25,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.05 : 77,966.25 = 16,903.51 : x
  2. Step 2: Convert to fraction form
    51,972.05/77,966.25 = 16,903.51/x
  3. Step 3: Cross multiply
    51,972.05x = 77,966.25 × 16,903.51
  4. Step 4: Simplify right side
    51,972.05x = 1,317,902,812.19
  5. Step 5: Solve for x
    x = 1,317,902,812.19/51,972.05
  6. Step 6: Final answer
    x = 25,357.91

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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.