Home / 92,986.41-128,276.13-55,233.93

Finding the Fourth Proportional to 92,986.41, 128,276.13 and 55,233.93

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Solution

The fourth proportional to 92,986.41, 128,276.13 and 55,233.93 is: 76,196.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,986.41 : 128,276.13 = 55,233.93 : x
  2. Step 2: Convert to fraction form
    92,986.41/128,276.13 = 55,233.93/x
  3. Step 3: Cross multiply
    92,986.41x = 128,276.13 × 55,233.93
  4. Step 4: Simplify right side
    92,986.41x = 7,085,194,785.09
  5. Step 5: Solve for x
    x = 7,085,194,785.09/92,986.41
  6. Step 6: Final answer
    x = 76,196.02

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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.