Home / 92,928.52-128,261.73-61,100.38

Finding the Fourth Proportional to 92,928.52, 128,261.73 and 61,100.38

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Solution

The fourth proportional to 92,928.52, 128,261.73 and 61,100.38 is: 84,331.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,928.52 : 128,261.73 = 61,100.38 : x
  2. Step 2: Convert to fraction form
    92,928.52/128,261.73 = 61,100.38/x
  3. Step 3: Cross multiply
    92,928.52x = 128,261.73 × 61,100.38
  4. Step 4: Simplify right side
    92,928.52x = 7,836,840,442.46
  5. Step 5: Solve for x
    x = 7,836,840,442.46/92,928.52
  6. Step 6: Final answer
    x = 84,331.92

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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.