Home / 55,913.99-77,189.87-43,138.49

Finding the Fourth Proportional to 55,913.99, 77,189.87 and 43,138.49

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Solution

The fourth proportional to 55,913.99, 77,189.87 and 43,138.49 is: 59,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913.99 : 77,189.87 = 43,138.49 : x
  2. Step 2: Convert to fraction form
    55,913.99/77,189.87 = 43,138.49/x
  3. Step 3: Cross multiply
    55,913.99x = 77,189.87 × 43,138.49
  4. Step 4: Simplify right side
    55,913.99x = 3,329,854,156.99
  5. Step 5: Solve for x
    x = 3,329,854,156.99/55,913.99
  6. Step 6: Final answer
    x = 59,553.15

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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.