Home / 55,421.60-83,132.40-33,223.55

Finding the Fourth Proportional to 55,421.60, 83,132.40 and 33,223.55

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Solution

The fourth proportional to 55,421.60, 83,132.40 and 33,223.55 is: 49,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.60 : 83,132.40 = 33,223.55 : x
  2. Step 2: Convert to fraction form
    55,421.60/83,132.40 = 33,223.55/x
  3. Step 3: Cross multiply
    55,421.60x = 83,132.40 × 33,223.55
  4. Step 4: Simplify right side
    55,421.60x = 2,761,953,448.02
  5. Step 5: Solve for x
    x = 2,761,953,448.02/55,421.60
  6. Step 6: Final answer
    x = 49,835.33

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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.