Home / 91,140.02-125,773.08-50,851.34

Finding the Fourth Proportional to 91,140.02, 125,773.08 and 50,851.34

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Solution

The fourth proportional to 91,140.02, 125,773.08 and 50,851.34 is: 70,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,140.02 : 125,773.08 = 50,851.34 : x
  2. Step 2: Convert to fraction form
    91,140.02/125,773.08 = 50,851.34/x
  3. Step 3: Cross multiply
    91,140.02x = 125,773.08 × 50,851.34
  4. Step 4: Simplify right side
    91,140.02x = 6,395,729,653.93
  5. Step 5: Solve for x
    x = 6,395,729,653.93/91,140.02
  6. Step 6: Final answer
    x = 70,174.77

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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.