Home / 90,817.60-125,317.01-50,528.51

Finding the Fourth Proportional to 90,817.60, 125,317.01 and 50,528.51

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Solution

The fourth proportional to 90,817.60, 125,317.01 and 50,528.51 is: 69,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.60 : 125,317.01 = 50,528.51 : x
  2. Step 2: Convert to fraction form
    90,817.60/125,317.01 = 50,528.51/x
  3. Step 3: Cross multiply
    90,817.60x = 125,317.01 × 50,528.51
  4. Step 4: Simplify right side
    90,817.60x = 6,332,080,913.73
  5. Step 5: Solve for x
    x = 6,332,080,913.73/90,817.60
  6. Step 6: Final answer
    x = 69,723.06

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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.