Home / 98,912.89-136,499.80-53,591.18

Finding the Fourth Proportional to 98,912.89, 136,499.80 and 53,591.18

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Solution

The fourth proportional to 98,912.89, 136,499.80 and 53,591.18 is: 73,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,912.89 : 136,499.80 = 53,591.18 : x
  2. Step 2: Convert to fraction form
    98,912.89/136,499.80 = 53,591.18/x
  3. Step 3: Cross multiply
    98,912.89x = 136,499.80 × 53,591.18
  4. Step 4: Simplify right side
    98,912.89x = 7,315,185,351.76
  5. Step 5: Solve for x
    x = 7,315,185,351.76/98,912.89
  6. Step 6: Final answer
    x = 73,955.83

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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.