Home / 97,901.64-135,105.06-53,189.64

Finding the Fourth Proportional to 97,901.64, 135,105.06 and 53,189.64

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Solution

The fourth proportional to 97,901.64, 135,105.06 and 53,189.64 is: 73,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,901.64 : 135,105.06 = 53,189.64 : x
  2. Step 2: Convert to fraction form
    97,901.64/135,105.06 = 53,189.64/x
  3. Step 3: Cross multiply
    97,901.64x = 135,105.06 × 53,189.64
  4. Step 4: Simplify right side
    97,901.64x = 7,186,189,503.58
  5. Step 5: Solve for x
    x = 7,186,189,503.58/97,901.64
  6. Step 6: Final answer
    x = 73,402.14

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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.