Home / 92,828.72-128,099.94-50,386.52

Finding the Fourth Proportional to 92,828.72, 128,099.94 and 50,386.52

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Solution

The fourth proportional to 92,828.72, 128,099.94 and 50,386.52 is: 69,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,828.72 : 128,099.94 = 50,386.52 : x
  2. Step 2: Convert to fraction form
    92,828.72/128,099.94 = 50,386.52/x
  3. Step 3: Cross multiply
    92,828.72x = 128,099.94 × 50,386.52
  4. Step 4: Simplify right side
    92,828.72x = 6,454,510,188.81
  5. Step 5: Solve for x
    x = 6,454,510,188.81/92,828.72
  6. Step 6: Final answer
    x = 69,531.39

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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.