Home / 55,558.66-76,672.02-30,408.16

Finding the Fourth Proportional to 55,558.66, 76,672.02 and 30,408.16

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Solution

The fourth proportional to 55,558.66, 76,672.02 and 30,408.16 is: 41,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,558.66 : 76,672.02 = 30,408.16 : x
  2. Step 2: Convert to fraction form
    55,558.66/76,672.02 = 30,408.16/x
  3. Step 3: Cross multiply
    55,558.66x = 76,672.02 × 30,408.16
  4. Step 4: Simplify right side
    55,558.66x = 2,331,455,051.68
  5. Step 5: Solve for x
    x = 2,331,455,051.68/55,558.66
  6. Step 6: Final answer
    x = 41,963.85

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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.