Home / 97,916.58-135,146.61-55,498.50

Finding the Fourth Proportional to 97,916.58, 135,146.61 and 55,498.50

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Solution

The fourth proportional to 97,916.58, 135,146.61 and 55,498.50 is: 76,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,916.58 : 135,146.61 = 55,498.50 : x
  2. Step 2: Convert to fraction form
    97,916.58/135,146.61 = 55,498.50/x
  3. Step 3: Cross multiply
    97,916.58x = 135,146.61 × 55,498.50
  4. Step 4: Simplify right side
    97,916.58x = 7,500,434,135.09
  5. Step 5: Solve for x
    x = 7,500,434,135.09/97,916.58
  6. Step 6: Final answer
    x = 76,600.25

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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.