Home / 52,090.38-78,102.75-34,301.87

Finding the Fourth Proportional to 52,090.38, 78,102.75 and 34,301.87

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Solution

The fourth proportional to 52,090.38, 78,102.75 and 34,301.87 is: 51,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.38 : 78,102.75 = 34,301.87 : x
  2. Step 2: Convert to fraction form
    52,090.38/78,102.75 = 34,301.87/x
  3. Step 3: Cross multiply
    52,090.38x = 78,102.75 × 34,301.87
  4. Step 4: Simplify right side
    52,090.38x = 2,679,069,986.63
  5. Step 5: Solve for x
    x = 2,679,069,986.63/52,090.38
  6. Step 6: Final answer
    x = 51,431.19

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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.