Home / 75,554.22-113,112.34-56,912.74

Finding the Fourth Proportional to 75,554.22, 113,112.34 and 56,912.74

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Solution

The fourth proportional to 75,554.22, 113,112.34 and 56,912.74 is: 85,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,554.22 : 113,112.34 = 56,912.74 : x
  2. Step 2: Convert to fraction form
    75,554.22/113,112.34 = 56,912.74/x
  3. Step 3: Cross multiply
    75,554.22x = 113,112.34 × 56,912.74
  4. Step 4: Simplify right side
    75,554.22x = 6,437,533,197.21
  5. Step 5: Solve for x
    x = 6,437,533,197.21/75,554.22
  6. Step 6: Final answer
    x = 85,204.15

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1.5x scale

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.