Home / 53,186.40-79,775.92-29,505.12

Finding the Fourth Proportional to 53,186.40, 79,775.92 and 29,505.12

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Solution

The fourth proportional to 53,186.40, 79,775.92 and 29,505.12 is: 44,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,186.40 : 79,775.92 = 29,505.12 : x
  2. Step 2: Convert to fraction form
    53,186.40/79,775.92 = 29,505.12/x
  3. Step 3: Cross multiply
    53,186.40x = 79,775.92 × 29,505.12
  4. Step 4: Simplify right side
    53,186.40x = 2,353,798,092.71
  5. Step 5: Solve for x
    x = 2,353,798,092.71/53,186.40
  6. Step 6: Final answer
    x = 44,255.64

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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.