Home / 86,039.47-129,141.29-52,824.41

Finding the Fourth Proportional to 86,039.47, 129,141.29 and 52,824.41

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Solution

The fourth proportional to 86,039.47, 129,141.29 and 52,824.41 is: 79,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.47 : 129,141.29 = 52,824.41 : x
  2. Step 2: Convert to fraction form
    86,039.47/129,141.29 = 52,824.41/x
  3. Step 3: Cross multiply
    86,039.47x = 129,141.29 × 52,824.41
  4. Step 4: Simplify right side
    86,039.47x = 6,821,812,450.89
  5. Step 5: Solve for x
    x = 6,821,812,450.89/86,039.47
  6. Step 6: Final answer
    x = 79,287.01

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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.