Home / 106,709.13-147,253.88-58,961.45

Finding the Fourth Proportional to 106,709.13, 147,253.88 and 58,961.45

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Solution

The fourth proportional to 106,709.13, 147,253.88 and 58,961.45 is: 81,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,709.13 : 147,253.88 = 58,961.45 : x
  2. Step 2: Convert to fraction form
    106,709.13/147,253.88 = 58,961.45/x
  3. Step 3: Cross multiply
    106,709.13x = 147,253.88 × 58,961.45
  4. Step 4: Simplify right side
    106,709.13x = 8,682,302,798.46
  5. Step 5: Solve for x
    x = 8,682,302,798.46/106,709.13
  6. Step 6: Final answer
    x = 81,364.20

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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.