Home / 115,777.54-173,664.42-36,890.70

Finding the Fourth Proportional to 115,777.54, 173,664.42 and 36,890.70

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Solution

The fourth proportional to 115,777.54, 173,664.42 and 36,890.70 is: 55,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,777.54 : 173,664.42 = 36,890.70 : x
  2. Step 2: Convert to fraction form
    115,777.54/173,664.42 = 36,890.70/x
  3. Step 3: Cross multiply
    115,777.54x = 173,664.42 × 36,890.70
  4. Step 4: Simplify right side
    115,777.54x = 6,406,602,018.89
  5. Step 5: Solve for x
    x = 6,406,602,018.89/115,777.54
  6. Step 6: Final answer
    x = 55,335.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.