Home / 73,056.80-109,628.40-53,285.60

Finding the Fourth Proportional to 73,056.80, 109,628.40 and 53,285.60

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Solution

The fourth proportional to 73,056.80, 109,628.40 and 53,285.60 is: 79,959.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,056.80 : 109,628.40 = 53,285.60 : x
  2. Step 2: Convert to fraction form
    73,056.80/109,628.40 = 53,285.60/x
  3. Step 3: Cross multiply
    73,056.80x = 109,628.40 × 53,285.60
  4. Step 4: Simplify right side
    73,056.80x = 5,841,615,071.04
  5. Step 5: Solve for x
    x = 5,841,615,071.04/73,056.80
  6. Step 6: Final answer
    x = 79,959.91

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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.