Home / 47,161.33-70,742.55-18,705.22

Finding the Fourth Proportional to 47,161.33, 70,742.55 and 18,705.22

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Solution

The fourth proportional to 47,161.33, 70,742.55 and 18,705.22 is: 28,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.33 : 70,742.55 = 18,705.22 : x
  2. Step 2: Convert to fraction form
    47,161.33/70,742.55 = 18,705.22/x
  3. Step 3: Cross multiply
    47,161.33x = 70,742.55 × 18,705.22
  4. Step 4: Simplify right side
    47,161.33x = 1,323,254,961.11
  5. Step 5: Solve for x
    x = 1,323,254,961.11/47,161.33
  6. Step 6: Final answer
    x = 28,058.05

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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.