Home / 53,189.20-79,710.90-43,347.70

Finding the Fourth Proportional to 53,189.20, 79,710.90 and 43,347.70

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Solution

The fourth proportional to 53,189.20, 79,710.90 and 43,347.70 is: 64,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.20 : 79,710.90 = 43,347.70 : x
  2. Step 2: Convert to fraction form
    53,189.20/79,710.90 = 43,347.70/x
  3. Step 3: Cross multiply
    53,189.20x = 79,710.90 × 43,347.70
  4. Step 4: Simplify right side
    53,189.20x = 3,455,284,179.93
  5. Step 5: Solve for x
    x = 3,455,284,179.93/53,189.20
  6. Step 6: Final answer
    x = 64,962.14

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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.