Home / 98,688.36-136,189.26-53,976.36

Finding the Fourth Proportional to 98,688.36, 136,189.26 and 53,976.36

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Solution

The fourth proportional to 98,688.36, 136,189.26 and 53,976.36 is: 74,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,688.36 : 136,189.26 = 53,976.36 : x
  2. Step 2: Convert to fraction form
    98,688.36/136,189.26 = 53,976.36/x
  3. Step 3: Cross multiply
    98,688.36x = 136,189.26 × 53,976.36
  4. Step 4: Simplify right side
    98,688.36x = 7,351,000,525.89
  5. Step 5: Solve for x
    x = 7,351,000,525.89/98,688.36
  6. Step 6: Final answer
    x = 74,487.01

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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.