Home / 92,848.41-128,131.34-54,609.57

Finding the Fourth Proportional to 92,848.41, 128,131.34 and 54,609.57

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Solution

The fourth proportional to 92,848.41, 128,131.34 and 54,609.57 is: 75,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.41 : 128,131.34 = 54,609.57 : x
  2. Step 2: Convert to fraction form
    92,848.41/128,131.34 = 54,609.57/x
  3. Step 3: Cross multiply
    92,848.41x = 128,131.34 × 54,609.57
  4. Step 4: Simplify right side
    92,848.41x = 6,997,197,380.92
  5. Step 5: Solve for x
    x = 6,997,197,380.92/92,848.41
  6. Step 6: Final answer
    x = 75,361.52

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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.