Home / 90,673.09-125,120.90-50,384.30

Finding the Fourth Proportional to 90,673.09, 125,120.90 and 50,384.30

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Solution

The fourth proportional to 90,673.09, 125,120.90 and 50,384.30 is: 69,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,673.09 : 125,120.90 = 50,384.30 : x
  2. Step 2: Convert to fraction form
    90,673.09/125,120.90 = 50,384.30/x
  3. Step 3: Cross multiply
    90,673.09x = 125,120.90 × 50,384.30
  4. Step 4: Simplify right side
    90,673.09x = 6,304,128,462.23
  5. Step 5: Solve for x
    x = 6,304,128,462.23/90,673.09
  6. Step 6: Final answer
    x = 69,525.90

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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.