Home / 66,190.50-91,280.03-43,548.71

Finding the Fourth Proportional to 66,190.50, 91,280.03 and 43,548.71

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Solution

The fourth proportional to 66,190.50, 91,280.03 and 43,548.71 is: 60,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190.50 : 91,280.03 = 43,548.71 : x
  2. Step 2: Convert to fraction form
    66,190.50/91,280.03 = 43,548.71/x
  3. Step 3: Cross multiply
    66,190.50x = 91,280.03 × 43,548.71
  4. Step 4: Simplify right side
    66,190.50x = 3,975,126,881.12
  5. Step 5: Solve for x
    x = 3,975,126,881.12/66,190.50
  6. Step 6: Final answer
    x = 60,055.85

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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.