Home / 91,930.02-126,859.41-56,179.86

Finding the Fourth Proportional to 91,930.02, 126,859.41 and 56,179.86

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Solution

The fourth proportional to 91,930.02, 126,859.41 and 56,179.86 is: 77,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,930.02 : 126,859.41 = 56,179.86 : x
  2. Step 2: Convert to fraction form
    91,930.02/126,859.41 = 56,179.86/x
  3. Step 3: Cross multiply
    91,930.02x = 126,859.41 × 56,179.86
  4. Step 4: Simplify right side
    91,930.02x = 7,126,943,893.48
  5. Step 5: Solve for x
    x = 7,126,943,893.48/91,930.02
  6. Step 6: Final answer
    x = 77,525.75

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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.