Home / 90,527.18-135,758.37-31,346.96

Finding the Fourth Proportional to 90,527.18, 135,758.37 and 31,346.96

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Solution

The fourth proportional to 90,527.18, 135,758.37 and 31,346.96 is: 47,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.18 : 135,758.37 = 31,346.96 : x
  2. Step 2: Convert to fraction form
    90,527.18/135,758.37 = 31,346.96/x
  3. Step 3: Cross multiply
    90,527.18x = 135,758.37 × 31,346.96
  4. Step 4: Simplify right side
    90,527.18x = 4,255,612,194.06
  5. Step 5: Solve for x
    x = 4,255,612,194.06/90,527.18
  6. Step 6: Final answer
    x = 47,009.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.