Home / 106,534.98-147,021.46-58,791.40

Finding the Fourth Proportional to 106,534.98, 147,021.46 and 58,791.40

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Solution

The fourth proportional to 106,534.98, 147,021.46 and 58,791.40 is: 81,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,534.98 : 147,021.46 = 58,791.40 : x
  2. Step 2: Convert to fraction form
    106,534.98/147,021.46 = 58,791.40/x
  3. Step 3: Cross multiply
    106,534.98x = 147,021.46 × 58,791.40
  4. Step 4: Simplify right side
    106,534.98x = 8,643,596,948.91
  5. Step 5: Solve for x
    x = 8,643,596,948.91/106,534.98
  6. Step 6: Final answer
    x = 81,133.89

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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.