Home / 91,216.10-125,877.02-50,930.55

Finding the Fourth Proportional to 91,216.10, 125,877.02 and 50,930.55

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Solution

The fourth proportional to 91,216.10, 125,877.02 and 50,930.55 is: 70,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.10 : 125,877.02 = 50,930.55 : x
  2. Step 2: Convert to fraction form
    91,216.10/125,877.02 = 50,930.55/x
  3. Step 3: Cross multiply
    91,216.10x = 125,877.02 × 50,930.55
  4. Step 4: Simplify right side
    91,216.10x = 6,410,985,860.96
  5. Step 5: Solve for x
    x = 6,410,985,860.96/91,216.10
  6. Step 6: Final answer
    x = 70,283.49

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1.5x scale

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.