Home / 116,666.40-175,027.32-37,780.56

Finding the Fourth Proportional to 116,666.40, 175,027.32 and 37,780.56

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Solution

The fourth proportional to 116,666.40, 175,027.32 and 37,780.56 is: 56,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,666.40 : 175,027.32 = 37,780.56 : x
  2. Step 2: Convert to fraction form
    116,666.40/175,027.32 = 37,780.56/x
  3. Step 3: Cross multiply
    116,666.40x = 175,027.32 × 37,780.56
  4. Step 4: Simplify right side
    116,666.40x = 6,612,630,164.90
  5. Step 5: Solve for x
    x = 6,612,630,164.90/116,666.40
  6. Step 6: Final answer
    x = 56,679.82

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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.