Home / 90,530.28-135,779.76-23,971.37

Finding the Fourth Proportional to 90,530.28, 135,779.76 and 23,971.37

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Solution

The fourth proportional to 90,530.28, 135,779.76 and 23,971.37 is: 35,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,530.28 : 135,779.76 = 23,971.37 : x
  2. Step 2: Convert to fraction form
    90,530.28/135,779.76 = 23,971.37/x
  3. Step 3: Cross multiply
    90,530.28x = 135,779.76 × 23,971.37
  4. Step 4: Simplify right side
    90,530.28x = 3,254,826,186.57
  5. Step 5: Solve for x
    x = 3,254,826,186.57/90,530.28
  6. Step 6: Final answer
    x = 35,952.90

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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.