Home / 92,848.26-128,132.10-50,406.78

Finding the Fourth Proportional to 92,848.26, 128,132.10 and 50,406.78

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Solution

The fourth proportional to 92,848.26, 128,132.10 and 50,406.78 is: 69,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.26 : 128,132.10 = 50,406.78 : x
  2. Step 2: Convert to fraction form
    92,848.26/128,132.10 = 50,406.78/x
  3. Step 3: Cross multiply
    92,848.26x = 128,132.10 × 50,406.78
  4. Step 4: Simplify right side
    92,848.26x = 6,458,726,575.64
  5. Step 5: Solve for x
    x = 6,458,726,575.64/92,848.26
  6. Step 6: Final answer
    x = 69,562.17

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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.