Home / 84,724.54-127,009.04-29,281.66

Finding the Fourth Proportional to 84,724.54, 127,009.04 and 29,281.66

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Solution

The fourth proportional to 84,724.54, 127,009.04 and 29,281.66 is: 43,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,724.54 : 127,009.04 = 29,281.66 : x
  2. Step 2: Convert to fraction form
    84,724.54/127,009.04 = 29,281.66/x
  3. Step 3: Cross multiply
    84,724.54x = 127,009.04 × 29,281.66
  4. Step 4: Simplify right side
    84,724.54x = 3,719,035,526.21
  5. Step 5: Solve for x
    x = 3,719,035,526.21/84,724.54
  6. Step 6: Final answer
    x = 43,895.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.