Home / 91,556.20-137,334.30-56,564.20

Finding the Fourth Proportional to 91,556.20, 137,334.30 and 56,564.20

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Solution

The fourth proportional to 91,556.20, 137,334.30 and 56,564.20 is: 84,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,556.20 : 137,334.30 = 56,564.20 : x
  2. Step 2: Convert to fraction form
    91,556.20/137,334.30 = 56,564.20/x
  3. Step 3: Cross multiply
    91,556.20x = 137,334.30 × 56,564.20
  4. Step 4: Simplify right side
    91,556.20x = 7,768,204,812.06
  5. Step 5: Solve for x
    x = 7,768,204,812.06/91,556.20
  6. Step 6: Final answer
    x = 84,846.30

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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.