Home / 91,015.08-125,601.40-50,731.41

Finding the Fourth Proportional to 91,015.08, 125,601.40 and 50,731.41

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Solution

The fourth proportional to 91,015.08, 125,601.40 and 50,731.41 is: 70,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,015.08 : 125,601.40 = 50,731.41 : x
  2. Step 2: Convert to fraction form
    91,015.08/125,601.40 = 50,731.41/x
  3. Step 3: Cross multiply
    91,015.08x = 125,601.40 × 50,731.41
  4. Step 4: Simplify right side
    91,015.08x = 6,371,936,654.39
  5. Step 5: Solve for x
    x = 6,371,936,654.39/91,015.08
  6. Step 6: Final answer
    x = 70,009.68

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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.