Home / 55,972.89-77,238.66-31,774.34

Finding the Fourth Proportional to 55,972.89, 77,238.66 and 31,774.34

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Solution

The fourth proportional to 55,972.89, 77,238.66 and 31,774.34 is: 43,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.89 : 77,238.66 = 31,774.34 : x
  2. Step 2: Convert to fraction form
    55,972.89/77,238.66 = 31,774.34/x
  3. Step 3: Cross multiply
    55,972.89x = 77,238.66 × 31,774.34
  4. Step 4: Simplify right side
    55,972.89x = 2,454,207,756.23
  5. Step 5: Solve for x
    x = 2,454,207,756.23/55,972.89
  6. Step 6: Final answer
    x = 43,846.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.