Home / 65,614.12-90,591.04-50,480.08

Finding the Fourth Proportional to 65,614.12, 90,591.04 and 50,480.08

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Solution

The fourth proportional to 65,614.12, 90,591.04 and 50,480.08 is: 69,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,614.12 : 90,591.04 = 50,480.08 : x
  2. Step 2: Convert to fraction form
    65,614.12/90,591.04 = 50,480.08/x
  3. Step 3: Cross multiply
    65,614.12x = 90,591.04 × 50,480.08
  4. Step 4: Simplify right side
    65,614.12x = 4,573,042,946.48
  5. Step 5: Solve for x
    x = 4,573,042,946.48/65,614.12
  6. Step 6: Final answer
    x = 69,696.02

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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.