Home / 77,977.51-116,966.27-30,614.94

Finding the Fourth Proportional to 77,977.51, 116,966.27 and 30,614.94

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Solution

The fourth proportional to 77,977.51, 116,966.27 and 30,614.94 is: 45,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,977.51 : 116,966.27 = 30,614.94 : x
  2. Step 2: Convert to fraction form
    77,977.51/116,966.27 = 30,614.94/x
  3. Step 3: Cross multiply
    77,977.51x = 116,966.27 × 30,614.94
  4. Step 4: Simplify right side
    77,977.51x = 3,580,915,414.61
  5. Step 5: Solve for x
    x = 3,580,915,414.61/77,977.51
  6. Step 6: Final answer
    x = 45,922.41

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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.