Home / 115,776.34-173,664.63-36,890.50

Finding the Fourth Proportional to 115,776.34, 173,664.63 and 36,890.50

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Solution

The fourth proportional to 115,776.34, 173,664.63 and 36,890.50 is: 55,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776.34 : 173,664.63 = 36,890.50 : x
  2. Step 2: Convert to fraction form
    115,776.34/173,664.63 = 36,890.50/x
  3. Step 3: Cross multiply
    115,776.34x = 173,664.63 × 36,890.50
  4. Step 4: Simplify right side
    115,776.34x = 6,406,575,033.02
  5. Step 5: Solve for x
    x = 6,406,575,033.02/115,776.34
  6. Step 6: Final answer
    x = 55,335.79

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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.