Home / 90,589.74-125,009.66-50,306.06

Finding the Fourth Proportional to 90,589.74, 125,009.66 and 50,306.06

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Solution

The fourth proportional to 90,589.74, 125,009.66 and 50,306.06 is: 69,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,589.74 : 125,009.66 = 50,306.06 : x
  2. Step 2: Convert to fraction form
    90,589.74/125,009.66 = 50,306.06/x
  3. Step 3: Cross multiply
    90,589.74x = 125,009.66 × 50,306.06
  4. Step 4: Simplify right side
    90,589.74x = 6,288,742,579.96
  5. Step 5: Solve for x
    x = 6,288,742,579.96/90,589.74
  6. Step 6: Final answer
    x = 69,420.03

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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.