Home / 91,113.54-125,736.89-50,826.30

Finding the Fourth Proportional to 91,113.54, 125,736.89 and 50,826.30

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Solution

The fourth proportional to 91,113.54, 125,736.89 and 50,826.30 is: 70,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,113.54 : 125,736.89 = 50,826.30 : x
  2. Step 2: Convert to fraction form
    91,113.54/125,736.89 = 50,826.30/x
  3. Step 3: Cross multiply
    91,113.54x = 125,736.89 × 50,826.30
  4. Step 4: Simplify right side
    91,113.54x = 6,390,740,892.21
  5. Step 5: Solve for x
    x = 6,390,740,892.21/91,113.54
  6. Step 6: Final answer
    x = 70,140.41

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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.