Home / 90,935.81-125,497.73-55,127.33

Finding the Fourth Proportional to 90,935.81, 125,497.73 and 55,127.33

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Solution

The fourth proportional to 90,935.81, 125,497.73 and 55,127.33 is: 76,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935.81 : 125,497.73 = 55,127.33 : x
  2. Step 2: Convert to fraction form
    90,935.81/125,497.73 = 55,127.33/x
  3. Step 3: Cross multiply
    90,935.81x = 125,497.73 × 55,127.33
  4. Step 4: Simplify right side
    90,935.81x = 6,918,354,500.32
  5. Step 5: Solve for x
    x = 6,918,354,500.32/90,935.81
  6. Step 6: Final answer
    x = 76,079.54

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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.