Home / 97,581.84-134,665.60-55,139.52

Finding the Fourth Proportional to 97,581.84, 134,665.60 and 55,139.52

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Solution

The fourth proportional to 97,581.84, 134,665.60 and 55,139.52 is: 76,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,581.84 : 134,665.60 = 55,139.52 : x
  2. Step 2: Convert to fraction form
    97,581.84/134,665.60 = 55,139.52/x
  3. Step 3: Cross multiply
    97,581.84x = 134,665.60 × 55,139.52
  4. Step 4: Simplify right side
    97,581.84x = 7,425,396,544.51
  5. Step 5: Solve for x
    x = 7,425,396,544.51/97,581.84
  6. Step 6: Final answer
    x = 76,094.04

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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.