Home / 92,823.56-128,083.38-55,112.84

Finding the Fourth Proportional to 92,823.56, 128,083.38 and 55,112.84

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Solution

The fourth proportional to 92,823.56, 128,083.38 and 55,112.84 is: 76,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.56 : 128,083.38 = 55,112.84 : x
  2. Step 2: Convert to fraction form
    92,823.56/128,083.38 = 55,112.84/x
  3. Step 3: Cross multiply
    92,823.56x = 128,083.38 × 55,112.84
  4. Step 4: Simplify right side
    92,823.56x = 7,059,038,828.60
  5. Step 5: Solve for x
    x = 7,059,038,828.60/92,823.56
  6. Step 6: Final answer
    x = 76,047.92

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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.