Home / 106,118.64-146,438.28-58,370.76

Finding the Fourth Proportional to 106,118.64, 146,438.28 and 58,370.76

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Solution

The fourth proportional to 106,118.64, 146,438.28 and 58,370.76 is: 80,548.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,118.64 : 146,438.28 = 58,370.76 : x
  2. Step 2: Convert to fraction form
    106,118.64/146,438.28 = 58,370.76/x
  3. Step 3: Cross multiply
    106,118.64x = 146,438.28 × 58,370.76
  4. Step 4: Simplify right side
    106,118.64x = 8,547,713,696.69
  5. Step 5: Solve for x
    x = 8,547,713,696.69/106,118.64
  6. Step 6: Final answer
    x = 80,548.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.