Home / 75,970.02-113,877.26-38,460.54

Finding the Fourth Proportional to 75,970.02, 113,877.26 and 38,460.54

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Solution

The fourth proportional to 75,970.02, 113,877.26 and 38,460.54 is: 57,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,970.02 : 113,877.26 = 38,460.54 : x
  2. Step 2: Convert to fraction form
    75,970.02/113,877.26 = 38,460.54/x
  3. Step 3: Cross multiply
    75,970.02x = 113,877.26 × 38,460.54
  4. Step 4: Simplify right side
    75,970.02x = 4,379,780,913.32
  5. Step 5: Solve for x
    x = 4,379,780,913.32/75,970.02
  6. Step 6: Final answer
    x = 57,651.44

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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.