Home / 106,890.30-147,506.34-58,492.03

Finding the Fourth Proportional to 106,890.30, 147,506.34 and 58,492.03

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Solution

The fourth proportional to 106,890.30, 147,506.34 and 58,492.03 is: 80,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890.30 : 147,506.34 = 58,492.03 : x
  2. Step 2: Convert to fraction form
    106,890.30/147,506.34 = 58,492.03/x
  3. Step 3: Cross multiply
    106,890.30x = 147,506.34 × 58,492.03
  4. Step 4: Simplify right side
    106,890.30x = 8,627,945,909.81
  5. Step 5: Solve for x
    x = 8,627,945,909.81/106,890.30
  6. Step 6: Final answer
    x = 80,717.76

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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.