Home / 90,776.56-136,046.58-46,365.88

Finding the Fourth Proportional to 90,776.56, 136,046.58 and 46,365.88

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Solution

The fourth proportional to 90,776.56, 136,046.58 and 46,365.88 is: 69,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,776.56 : 136,046.58 = 46,365.88 : x
  2. Step 2: Convert to fraction form
    90,776.56/136,046.58 = 46,365.88/x
  3. Step 3: Cross multiply
    90,776.56x = 136,046.58 × 46,365.88
  4. Step 4: Simplify right side
    90,776.56x = 6,307,919,402.69
  5. Step 5: Solve for x
    x = 6,307,919,402.69/90,776.56
  6. Step 6: Final answer
    x = 69,488.42

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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.