Home / 98,591.04-136,056.64-53,879.04

Finding the Fourth Proportional to 98,591.04, 136,056.64 and 53,879.04

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Solution

The fourth proportional to 98,591.04, 136,056.64 and 53,879.04 is: 74,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,591.04 : 136,056.64 = 53,879.04 : x
  2. Step 2: Convert to fraction form
    98,591.04/136,056.64 = 53,879.04/x
  3. Step 3: Cross multiply
    98,591.04x = 136,056.64 × 53,879.04
  4. Step 4: Simplify right side
    98,591.04x = 7,330,601,148.83
  5. Step 5: Solve for x
    x = 7,330,601,148.83/98,591.04
  6. Step 6: Final answer
    x = 74,353.62

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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.