Home / 86,707.89-130,061.82-24,378.39

Finding the Fourth Proportional to 86,707.89, 130,061.82 and 24,378.39

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Solution

The fourth proportional to 86,707.89, 130,061.82 and 24,378.39 is: 36,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,707.89 : 130,061.82 = 24,378.39 : x
  2. Step 2: Convert to fraction form
    86,707.89/130,061.82 = 24,378.39/x
  3. Step 3: Cross multiply
    86,707.89x = 130,061.82 × 24,378.39
  4. Step 4: Simplify right side
    86,707.89x = 3,170,697,772.07
  5. Step 5: Solve for x
    x = 3,170,697,772.07/86,707.89
  6. Step 6: Final answer
    x = 36,567.58

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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.