Home / 87,723.81-121,059.57-48,434.04

Finding the Fourth Proportional to 87,723.81, 121,059.57 and 48,434.04

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Solution

The fourth proportional to 87,723.81, 121,059.57 and 48,434.04 is: 66,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723.81 : 121,059.57 = 48,434.04 : x
  2. Step 2: Convert to fraction form
    87,723.81/121,059.57 = 48,434.04/x
  3. Step 3: Cross multiply
    87,723.81x = 121,059.57 × 48,434.04
  4. Step 4: Simplify right side
    87,723.81x = 5,863,404,055.76
  5. Step 5: Solve for x
    x = 5,863,404,055.76/87,723.81
  6. Step 6: Final answer
    x = 66,839.37

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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.