Home / 86,145.41-129,298.07-44,055.57

Finding the Fourth Proportional to 86,145.41, 129,298.07 and 44,055.57

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Solution

The fourth proportional to 86,145.41, 129,298.07 and 44,055.57 is: 66,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,145.41 : 129,298.07 = 44,055.57 : x
  2. Step 2: Convert to fraction form
    86,145.41/129,298.07 = 44,055.57/x
  3. Step 3: Cross multiply
    86,145.41x = 129,298.07 × 44,055.57
  4. Step 4: Simplify right side
    86,145.41x = 5,696,299,527.26
  5. Step 5: Solve for x
    x = 5,696,299,527.26/86,145.41
  6. Step 6: Final answer
    x = 66,124.24

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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.