Home / 97,789.77-134,926.76-55,348.31

Finding the Fourth Proportional to 97,789.77, 134,926.76 and 55,348.31

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Solution

The fourth proportional to 97,789.77, 134,926.76 and 55,348.31 is: 76,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,789.77 : 134,926.76 = 55,348.31 : x
  2. Step 2: Convert to fraction form
    97,789.77/134,926.76 = 55,348.31/x
  3. Step 3: Cross multiply
    97,789.77x = 134,926.76 × 55,348.31
  4. Step 4: Simplify right side
    97,789.77x = 7,467,967,188.40
  5. Step 5: Solve for x
    x = 7,467,967,188.40/97,789.77
  6. Step 6: Final answer
    x = 76,367.57

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1.5x scale

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.