Home / 102,619.37-153,889.84-49,296.16

Finding the Fourth Proportional to 102,619.37, 153,889.84 and 49,296.16

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Solution

The fourth proportional to 102,619.37, 153,889.84 and 49,296.16 is: 73,925.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,619.37 : 153,889.84 = 49,296.16 : x
  2. Step 2: Convert to fraction form
    102,619.37/153,889.84 = 49,296.16/x
  3. Step 3: Cross multiply
    102,619.37x = 153,889.84 × 49,296.16
  4. Step 4: Simplify right side
    102,619.37x = 7,586,177,667.05
  5. Step 5: Solve for x
    x = 7,586,177,667.05/102,619.37
  6. Step 6: Final answer
    x = 73,925.40

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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.