Home / 97,790.63-134,951.13-55,362.83

Finding the Fourth Proportional to 97,790.63, 134,951.13 and 55,362.83

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Solution

The fourth proportional to 97,790.63, 134,951.13 and 55,362.83 is: 76,400.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.63 : 134,951.13 = 55,362.83 : x
  2. Step 2: Convert to fraction form
    97,790.63/134,951.13 = 55,362.83/x
  3. Step 3: Cross multiply
    97,790.63x = 134,951.13 × 55,362.83
  4. Step 4: Simplify right side
    97,790.63x = 7,471,275,793.74
  5. Step 5: Solve for x
    x = 7,471,275,793.74/97,790.63
  6. Step 6: Final answer
    x = 76,400.74

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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.