Home / 91,138.02-125,770.32-50,849.34

Finding the Fourth Proportional to 91,138.02, 125,770.32 and 50,849.34

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Solution

The fourth proportional to 91,138.02, 125,770.32 and 50,849.34 is: 70,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,138.02 : 125,770.32 = 50,849.34 : x
  2. Step 2: Convert to fraction form
    91,138.02/125,770.32 = 50,849.34/x
  3. Step 3: Cross multiply
    91,138.02x = 125,770.32 × 50,849.34
  4. Step 4: Simplify right side
    91,138.02x = 6,395,337,763.59
  5. Step 5: Solve for x
    x = 6,395,337,763.59/91,138.02
  6. Step 6: Final answer
    x = 70,172.01

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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.