Home / 53,103.60-79,655.40-41,426.64

Finding the Fourth Proportional to 53,103.60, 79,655.40 and 41,426.64

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Solution

The fourth proportional to 53,103.60, 79,655.40 and 41,426.64 is: 62,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.60 : 79,655.40 = 41,426.64 : x
  2. Step 2: Convert to fraction form
    53,103.60/79,655.40 = 41,426.64/x
  3. Step 3: Cross multiply
    53,103.60x = 79,655.40 × 41,426.64
  4. Step 4: Simplify right side
    53,103.60x = 3,299,855,579.86
  5. Step 5: Solve for x
    x = 3,299,855,579.86/53,103.60
  6. Step 6: Final answer
    x = 62,139.96

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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.