Home / 55,513.60-76,608.64-33,158.40

Finding the Fourth Proportional to 55,513.60, 76,608.64 and 33,158.40

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Solution

The fourth proportional to 55,513.60, 76,608.64 and 33,158.40 is: 45,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.60 : 76,608.64 = 33,158.40 : x
  2. Step 2: Convert to fraction form
    55,513.60/76,608.64 = 33,158.40/x
  3. Step 3: Cross multiply
    55,513.60x = 76,608.64 × 33,158.40
  4. Step 4: Simplify right side
    55,513.60x = 2,540,219,928.58
  5. Step 5: Solve for x
    x = 2,540,219,928.58/55,513.60
  6. Step 6: Final answer
    x = 45,758.52

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1.5x scale

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.