Home / 91,216.55-125,877.53-50,930.94

Finding the Fourth Proportional to 91,216.55, 125,877.53 and 50,930.94

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Solution

The fourth proportional to 91,216.55, 125,877.53 and 50,930.94 is: 70,283.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.55 : 125,877.53 = 50,930.94 : x
  2. Step 2: Convert to fraction form
    91,216.55/125,877.53 = 50,930.94/x
  3. Step 3: Cross multiply
    91,216.55x = 125,877.53 × 50,930.94
  4. Step 4: Simplify right side
    91,216.55x = 6,411,060,673.12
  5. Step 5: Solve for x
    x = 6,411,060,673.12/91,216.55
  6. Step 6: Final answer
    x = 70,283.97

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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.