Home / 92,784.09-128,041.96-50,342.52

Finding the Fourth Proportional to 92,784.09, 128,041.96 and 50,342.52

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Solution

The fourth proportional to 92,784.09, 128,041.96 and 50,342.52 is: 69,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,784.09 : 128,041.96 = 50,342.52 : x
  2. Step 2: Convert to fraction form
    92,784.09/128,041.96 = 50,342.52/x
  3. Step 3: Cross multiply
    92,784.09x = 128,041.96 × 50,342.52
  4. Step 4: Simplify right side
    92,784.09x = 6,445,954,932.14
  5. Step 5: Solve for x
    x = 6,445,954,932.14/92,784.09
  6. Step 6: Final answer
    x = 69,472.63

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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.