Home / 98,812.54-136,327.23-55,786.66

Finding the Fourth Proportional to 98,812.54, 136,327.23 and 55,786.66

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Solution

The fourth proportional to 98,812.54, 136,327.23 and 55,786.66 is: 76,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,812.54 : 136,327.23 = 55,786.66 : x
  2. Step 2: Convert to fraction form
    98,812.54/136,327.23 = 55,786.66/x
  3. Step 3: Cross multiply
    98,812.54x = 136,327.23 × 55,786.66
  4. Step 4: Simplify right side
    98,812.54x = 7,605,240,828.75
  5. Step 5: Solve for x
    x = 7,605,240,828.75/98,812.54
  6. Step 6: Final answer
    x = 76,966.35

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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.