Home / 53,760.96-74,190.60-29,888.10

Finding the Fourth Proportional to 53,760.96, 74,190.60 and 29,888.10

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Solution

The fourth proportional to 53,760.96, 74,190.60 and 29,888.10 is: 41,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,760.96 : 74,190.60 = 29,888.10 : x
  2. Step 2: Convert to fraction form
    53,760.96/74,190.60 = 29,888.10/x
  3. Step 3: Cross multiply
    53,760.96x = 74,190.60 × 29,888.10
  4. Step 4: Simplify right side
    53,760.96x = 2,217,416,071.86
  5. Step 5: Solve for x
    x = 2,217,416,071.86/53,760.96
  6. Step 6: Final answer
    x = 41,245.84

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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.