Home / 91,820.71-126,725.36-50,994.01

Finding the Fourth Proportional to 91,820.71, 126,725.36 and 50,994.01

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Solution

The fourth proportional to 91,820.71, 126,725.36 and 50,994.01 is: 70,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,820.71 : 126,725.36 = 50,994.01 : x
  2. Step 2: Convert to fraction form
    91,820.71/126,725.36 = 50,994.01/x
  3. Step 3: Cross multiply
    91,820.71x = 126,725.36 × 50,994.01
  4. Step 4: Simplify right side
    91,820.71x = 6,462,234,465.37
  5. Step 5: Solve for x
    x = 6,462,234,465.37/91,820.71
  6. Step 6: Final answer
    x = 70,378.83

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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.