Home / 90,736.03-125,209.80-50,448.32

Finding the Fourth Proportional to 90,736.03, 125,209.80 and 50,448.32

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Solution

The fourth proportional to 90,736.03, 125,209.80 and 50,448.32 is: 69,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.03 : 125,209.80 = 50,448.32 : x
  2. Step 2: Convert to fraction form
    90,736.03/125,209.80 = 50,448.32/x
  3. Step 3: Cross multiply
    90,736.03x = 125,209.80 × 50,448.32
  4. Step 4: Simplify right side
    90,736.03x = 6,316,623,901.02
  5. Step 5: Solve for x
    x = 6,316,623,901.02/90,736.03
  6. Step 6: Final answer
    x = 69,615.39

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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.