Home / 86,506.64-129,719.64-44,942.48

Finding the Fourth Proportional to 86,506.64, 129,719.64 and 44,942.48

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Solution

The fourth proportional to 86,506.64, 129,719.64 and 44,942.48 is: 67,392.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,506.64 : 129,719.64 = 44,942.48 : x
  2. Step 2: Convert to fraction form
    86,506.64/129,719.64 = 44,942.48/x
  3. Step 3: Cross multiply
    86,506.64x = 129,719.64 × 44,942.48
  4. Step 4: Simplify right side
    86,506.64x = 5,829,922,326.31
  5. Step 5: Solve for x
    x = 5,829,922,326.31/86,506.64
  6. Step 6: Final answer
    x = 67,392.77

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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.