Home / 97,889.58-135,109.35-55,471.50

Finding the Fourth Proportional to 97,889.58, 135,109.35 and 55,471.50

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Solution

The fourth proportional to 97,889.58, 135,109.35 and 55,471.50 is: 76,562.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,889.58 : 135,109.35 = 55,471.50 : x
  2. Step 2: Convert to fraction form
    97,889.58/135,109.35 = 55,471.50/x
  3. Step 3: Cross multiply
    97,889.58x = 135,109.35 × 55,471.50
  4. Step 4: Simplify right side
    97,889.58x = 7,494,718,308.53
  5. Step 5: Solve for x
    x = 7,494,718,308.53/97,889.58
  6. Step 6: Final answer
    x = 76,562.98

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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.