Home / 98,945.07-136,544.67-53,623.14

Finding the Fourth Proportional to 98,945.07, 136,544.67 and 53,623.14

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Solution

The fourth proportional to 98,945.07, 136,544.67 and 53,623.14 is: 74,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,945.07 : 136,544.67 = 53,623.14 : x
  2. Step 2: Convert to fraction form
    98,945.07/136,544.67 = 53,623.14/x
  3. Step 3: Cross multiply
    98,945.07x = 136,544.67 × 53,623.14
  4. Step 4: Simplify right side
    98,945.07x = 7,321,953,955.66
  5. Step 5: Solve for x
    x = 7,321,953,955.66/98,945.07
  6. Step 6: Final answer
    x = 74,000.19

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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.