Home / 91,219.06-125,912.37-53,492.50

Finding the Fourth Proportional to 91,219.06, 125,912.37 and 53,492.50

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Solution

The fourth proportional to 91,219.06, 125,912.37 and 53,492.50 is: 73,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.06 : 125,912.37 = 53,492.50 : x
  2. Step 2: Convert to fraction form
    91,219.06/125,912.37 = 53,492.50/x
  3. Step 3: Cross multiply
    91,219.06x = 125,912.37 × 53,492.50
  4. Step 4: Simplify right side
    91,219.06x = 6,735,367,452.23
  5. Step 5: Solve for x
    x = 6,735,367,452.23/91,219.06
  6. Step 6: Final answer
    x = 73,837.28

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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.