Home / 92,783.98-128,043.38-50,342.51

Finding the Fourth Proportional to 92,783.98, 128,043.38 and 50,342.51

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Solution

The fourth proportional to 92,783.98, 128,043.38 and 50,342.51 is: 69,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,783.98 : 128,043.38 = 50,342.51 : x
  2. Step 2: Convert to fraction form
    92,783.98/128,043.38 = 50,342.51/x
  3. Step 3: Cross multiply
    92,783.98x = 128,043.38 × 50,342.51
  4. Step 4: Simplify right side
    92,783.98x = 6,446,025,584.05
  5. Step 5: Solve for x
    x = 6,446,025,584.05/92,783.98
  6. Step 6: Final answer
    x = 69,473.47

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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.