Home / 67,887.12-93,622.68-42,395.82

Finding the Fourth Proportional to 67,887.12, 93,622.68 and 42,395.82

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Solution

The fourth proportional to 67,887.12, 93,622.68 and 42,395.82 is: 58,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,887.12 : 93,622.68 = 42,395.82 : x
  2. Step 2: Convert to fraction form
    67,887.12/93,622.68 = 42,395.82/x
  3. Step 3: Cross multiply
    67,887.12x = 93,622.68 × 42,395.82
  4. Step 4: Simplify right side
    67,887.12x = 3,969,210,289.20
  5. Step 5: Solve for x
    x = 3,969,210,289.20/67,887.12
  6. Step 6: Final answer
    x = 58,467.80

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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.