Home / 86,743.17-130,019.11-56,744.96

Finding the Fourth Proportional to 86,743.17, 130,019.11 and 56,744.96

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Solution

The fourth proportional to 86,743.17, 130,019.11 and 56,744.96 is: 85,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,743.17 : 130,019.11 = 56,744.96 : x
  2. Step 2: Convert to fraction form
    86,743.17/130,019.11 = 56,744.96/x
  3. Step 3: Cross multiply
    86,743.17x = 130,019.11 × 56,744.96
  4. Step 4: Simplify right side
    86,743.17x = 7,377,928,404.23
  5. Step 5: Solve for x
    x = 7,377,928,404.23/86,743.17
  6. Step 6: Final answer
    x = 85,054.86

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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.