Home / 81,056.52-111,876.66-47,533.32

Finding the Fourth Proportional to 81,056.52, 111,876.66 and 47,533.32

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Solution

The fourth proportional to 81,056.52, 111,876.66 and 47,533.32 is: 65,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,056.52 : 111,876.66 = 47,533.32 : x
  2. Step 2: Convert to fraction form
    81,056.52/111,876.66 = 47,533.32/x
  3. Step 3: Cross multiply
    81,056.52x = 111,876.66 × 47,533.32
  4. Step 4: Simplify right side
    81,056.52x = 5,317,869,080.31
  5. Step 5: Solve for x
    x = 5,317,869,080.31/81,056.52
  6. Step 6: Final answer
    x = 65,606.93

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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.