Home / 55,420.72-83,157-32,066.80

Finding the Fourth Proportional to 55,420.72, 83,157 and 32,066.80

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Solution

The fourth proportional to 55,420.72, 83,157 and 32,066.80 is: 48,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.72 : 83,157 = 32,066.80 : x
  2. Step 2: Convert to fraction form
    55,420.72/83,157 = 32,066.80/x
  3. Step 3: Cross multiply
    55,420.72x = 83,157 × 32,066.80
  4. Step 4: Simplify right side
    55,420.72x = 2,666,578,887.60
  5. Step 5: Solve for x
    x = 2,666,578,887.60/55,420.72
  6. Step 6: Final answer
    x = 48,115.20

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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.