Home / 55,687.02-76,847.85-30,536.52

Finding the Fourth Proportional to 55,687.02, 76,847.85 and 30,536.52

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Solution

The fourth proportional to 55,687.02, 76,847.85 and 30,536.52 is: 42,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.02 : 76,847.85 = 30,536.52 : x
  2. Step 2: Convert to fraction form
    55,687.02/76,847.85 = 30,536.52/x
  3. Step 3: Cross multiply
    55,687.02x = 76,847.85 × 30,536.52
  4. Step 4: Simplify right side
    55,687.02x = 2,346,665,908.48
  5. Step 5: Solve for x
    x = 2,346,665,908.48/55,687.02
  6. Step 6: Final answer
    x = 42,140.27

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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.