Home / 79,355.58-118,851.03-45,993.12

Finding the Fourth Proportional to 79,355.58, 118,851.03 and 45,993.12

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Solution

The fourth proportional to 79,355.58, 118,851.03 and 45,993.12 is: 68,884.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,355.58 : 118,851.03 = 45,993.12 : x
  2. Step 2: Convert to fraction form
    79,355.58/118,851.03 = 45,993.12/x
  3. Step 3: Cross multiply
    79,355.58x = 118,851.03 × 45,993.12
  4. Step 4: Simplify right side
    79,355.58x = 5,466,329,684.91
  5. Step 5: Solve for x
    x = 5,466,329,684.91/79,355.58
  6. Step 6: Final answer
    x = 68,884.00

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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.