Home / 98,884.11-136,459.26-53,561.04

Finding the Fourth Proportional to 98,884.11, 136,459.26 and 53,561.04

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Solution

The fourth proportional to 98,884.11, 136,459.26 and 53,561.04 is: 73,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,884.11 : 136,459.26 = 53,561.04 : x
  2. Step 2: Convert to fraction form
    98,884.11/136,459.26 = 53,561.04/x
  3. Step 3: Cross multiply
    98,884.11x = 136,459.26 × 53,561.04
  4. Step 4: Simplify right side
    98,884.11x = 7,308,899,883.23
  5. Step 5: Solve for x
    x = 7,308,899,883.23/98,884.11
  6. Step 6: Final answer
    x = 73,913.80

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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.