Home / 102,903.58-141,961.86-60,442.96

Finding the Fourth Proportional to 102,903.58, 141,961.86 and 60,442.96

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Solution

The fourth proportional to 102,903.58, 141,961.86 and 60,442.96 is: 83,384.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,903.58 : 141,961.86 = 60,442.96 : x
  2. Step 2: Convert to fraction form
    102,903.58/141,961.86 = 60,442.96/x
  3. Step 3: Cross multiply
    102,903.58x = 141,961.86 × 60,442.96
  4. Step 4: Simplify right side
    102,903.58x = 8,580,595,025.51
  5. Step 5: Solve for x
    x = 8,580,595,025.51/102,903.58
  6. Step 6: Final answer
    x = 83,384.81

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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.