Home / 92,787.36-128,046.72-50,346.24

Finding the Fourth Proportional to 92,787.36, 128,046.72 and 50,346.24

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Solution

The fourth proportional to 92,787.36, 128,046.72 and 50,346.24 is: 69,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,787.36 : 128,046.72 = 50,346.24 : x
  2. Step 2: Convert to fraction form
    92,787.36/128,046.72 = 50,346.24/x
  3. Step 3: Cross multiply
    92,787.36x = 128,046.72 × 50,346.24
  4. Step 4: Simplify right side
    92,787.36x = 6,446,670,896.33
  5. Step 5: Solve for x
    x = 6,446,670,896.33/92,787.36
  6. Step 6: Final answer
    x = 69,477.90

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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.