Home / 91,070.57-125,679.60-50,783.94

Finding the Fourth Proportional to 91,070.57, 125,679.60 and 50,783.94

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Solution

The fourth proportional to 91,070.57, 125,679.60 and 50,783.94 is: 70,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,070.57 : 125,679.60 = 50,783.94 : x
  2. Step 2: Convert to fraction form
    91,070.57/125,679.60 = 50,783.94/x
  3. Step 3: Cross multiply
    91,070.57x = 125,679.60 × 50,783.94
  4. Step 4: Simplify right side
    91,070.57x = 6,382,505,265.62
  5. Step 5: Solve for x
    x = 6,382,505,265.62/91,070.57
  6. Step 6: Final answer
    x = 70,083.07

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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.