Home / 106,630.16-147,145.80-58,881.04

Finding the Fourth Proportional to 106,630.16, 147,145.80 and 58,881.04

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Solution

The fourth proportional to 106,630.16, 147,145.80 and 58,881.04 is: 81,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,630.16 : 147,145.80 = 58,881.04 : x
  2. Step 2: Convert to fraction form
    106,630.16/147,145.80 = 58,881.04/x
  3. Step 3: Cross multiply
    106,630.16x = 147,145.80 × 58,881.04
  4. Step 4: Simplify right side
    106,630.16x = 8,664,097,735.63
  5. Step 5: Solve for x
    x = 8,664,097,735.63/106,630.16
  6. Step 6: Final answer
    x = 81,253.73

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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.