Home / 90,768.68-125,261.04-50,485.04

Finding the Fourth Proportional to 90,768.68, 125,261.04 and 50,485.04

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Solution

The fourth proportional to 90,768.68, 125,261.04 and 50,485.04 is: 69,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,768.68 : 125,261.04 = 50,485.04 : x
  2. Step 2: Convert to fraction form
    90,768.68/125,261.04 = 50,485.04/x
  3. Step 3: Cross multiply
    90,768.68x = 125,261.04 × 50,485.04
  4. Step 4: Simplify right side
    90,768.68x = 6,323,808,614.84
  5. Step 5: Solve for x
    x = 6,323,808,614.84/90,768.68
  6. Step 6: Final answer
    x = 69,669.50

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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.