Home / 56,287.11-84,319.70-45,769.00

Finding the Fourth Proportional to 56,287.11, 84,319.70 and 45,769.00

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Solution

The fourth proportional to 56,287.11, 84,319.70 and 45,769.00 is: 68,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,287.11 : 84,319.70 = 45,769.00 : x
  2. Step 2: Convert to fraction form
    56,287.11/84,319.70 = 45,769.00/x
  3. Step 3: Cross multiply
    56,287.11x = 84,319.70 × 45,769.00
  4. Step 4: Simplify right side
    56,287.11x = 3,859,228,024.08
  5. Step 5: Solve for x
    x = 3,859,228,024.08/56,287.11
  6. Step 6: Final answer
    x = 68,563.27

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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.