Home / 55,801.48-83,665.56-31,786.60

Finding the Fourth Proportional to 55,801.48, 83,665.56 and 31,786.60

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Solution

The fourth proportional to 55,801.48, 83,665.56 and 31,786.60 is: 47,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.48 : 83,665.56 = 31,786.60 : x
  2. Step 2: Convert to fraction form
    55,801.48/83,665.56 = 31,786.60/x
  3. Step 3: Cross multiply
    55,801.48x = 83,665.56 × 31,786.60
  4. Step 4: Simplify right side
    55,801.48x = 2,659,443,689.50
  5. Step 5: Solve for x
    x = 2,659,443,689.50/55,801.48
  6. Step 6: Final answer
    x = 47,659.02

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1.5x scale

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.