Home / 124,130.46-186,049.88-57,429.71

Finding the Fourth Proportional to 124,130.46, 186,049.88 and 57,429.71

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Solution

The fourth proportional to 124,130.46, 186,049.88 and 57,429.71 is: 86,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.46 : 186,049.88 = 57,429.71 : x
  2. Step 2: Convert to fraction form
    124,130.46/186,049.88 = 57,429.71/x
  3. Step 3: Cross multiply
    124,130.46x = 186,049.88 × 57,429.71
  4. Step 4: Simplify right side
    124,130.46x = 10,684,790,653.93
  5. Step 5: Solve for x
    x = 10,684,790,653.93/124,130.46
  6. Step 6: Final answer
    x = 86,077.11

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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.