Home / 89,103.18-123,124.59-84,784.46

Finding the Fourth Proportional to 89,103.18, 123,124.59 and 84,784.46

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Solution

The fourth proportional to 89,103.18, 123,124.59 and 84,784.46 is: 117,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,103.18 : 123,124.59 = 84,784.46 : x
  2. Step 2: Convert to fraction form
    89,103.18/123,124.59 = 84,784.46/x
  3. Step 3: Cross multiply
    89,103.18x = 123,124.59 × 84,784.46
  4. Step 4: Simplify right side
    89,103.18x = 10,439,051,875.87
  5. Step 5: Solve for x
    x = 10,439,051,875.87/89,103.18
  6. Step 6: Final answer
    x = 117,156.89

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