Home / 92,824.76-128,164.74-57,062.72

Finding the Fourth Proportional to 92,824.76, 128,164.74 and 57,062.72

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Solution

The fourth proportional to 92,824.76, 128,164.74 and 57,062.72 is: 78,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,824.76 : 128,164.74 = 57,062.72 : x
  2. Step 2: Convert to fraction form
    92,824.76/128,164.74 = 57,062.72/x
  3. Step 3: Cross multiply
    92,824.76x = 128,164.74 × 57,062.72
  4. Step 4: Simplify right side
    92,824.76x = 7,313,428,672.49
  5. Step 5: Solve for x
    x = 7,313,428,672.49/92,824.76
  6. Step 6: Final answer
    x = 78,787.48

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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.