Home / 90,741.09-125,232.27-51,982.01

Finding the Fourth Proportional to 90,741.09, 125,232.27 and 51,982.01

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Solution

The fourth proportional to 90,741.09, 125,232.27 and 51,982.01 is: 71,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741.09 : 125,232.27 = 51,982.01 : x
  2. Step 2: Convert to fraction form
    90,741.09/125,232.27 = 51,982.01/x
  3. Step 3: Cross multiply
    90,741.09x = 125,232.27 × 51,982.01
  4. Step 4: Simplify right side
    90,741.09x = 6,509,824,485.30
  5. Step 5: Solve for x
    x = 6,509,824,485.30/90,741.09
  6. Step 6: Final answer
    x = 71,740.65

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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.