Home / 91,212.24-125,860.32-50,921.28

Finding the Fourth Proportional to 91,212.24, 125,860.32 and 50,921.28

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Solution

The fourth proportional to 91,212.24, 125,860.32 and 50,921.28 is: 70,264.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,212.24 : 125,860.32 = 50,921.28 : x
  2. Step 2: Convert to fraction form
    91,212.24/125,860.32 = 50,921.28/x
  3. Step 3: Cross multiply
    91,212.24x = 125,860.32 × 50,921.28
  4. Step 4: Simplify right side
    91,212.24x = 6,408,968,595.61
  5. Step 5: Solve for x
    x = 6,408,968,595.61/91,212.24
  6. Step 6: Final answer
    x = 70,264.35

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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.