Home / 53,117.70-79,705.35-23,540.10

Finding the Fourth Proportional to 53,117.70, 79,705.35 and 23,540.10

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Solution

The fourth proportional to 53,117.70, 79,705.35 and 23,540.10 is: 35,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,117.70 : 79,705.35 = 23,540.10 : x
  2. Step 2: Convert to fraction form
    53,117.70/79,705.35 = 23,540.10/x
  3. Step 3: Cross multiply
    53,117.70x = 79,705.35 × 23,540.10
  4. Step 4: Simplify right side
    53,117.70x = 1,876,271,909.54
  5. Step 5: Solve for x
    x = 1,876,271,909.54/53,117.70
  6. Step 6: Final answer
    x = 35,322.91

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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.