Home / 90,736.51-125,209.26-50,447.80

Finding the Fourth Proportional to 90,736.51, 125,209.26 and 50,447.80

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Solution

The fourth proportional to 90,736.51, 125,209.26 and 50,447.80 is: 69,614.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.51 : 125,209.26 = 50,447.80 : x
  2. Step 2: Convert to fraction form
    90,736.51/125,209.26 = 50,447.80/x
  3. Step 3: Cross multiply
    90,736.51x = 125,209.26 × 50,447.80
  4. Step 4: Simplify right side
    90,736.51x = 6,316,531,706.63
  5. Step 5: Solve for x
    x = 6,316,531,706.63/90,736.51
  6. Step 6: Final answer
    x = 69,614.00

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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.