Home / 55,342.44-76,370.31-32,688.72

Finding the Fourth Proportional to 55,342.44, 76,370.31 and 32,688.72

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Solution

The fourth proportional to 55,342.44, 76,370.31 and 32,688.72 is: 45,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.44 : 76,370.31 = 32,688.72 : x
  2. Step 2: Convert to fraction form
    55,342.44/76,370.31 = 32,688.72/x
  3. Step 3: Cross multiply
    55,342.44x = 76,370.31 × 32,688.72
  4. Step 4: Simplify right side
    55,342.44x = 2,496,447,679.90
  5. Step 5: Solve for x
    x = 2,496,447,679.90/55,342.44
  6. Step 6: Final answer
    x = 45,109.10

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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.