Home / 106,655.74-147,185.83-58,909.89

Finding the Fourth Proportional to 106,655.74, 147,185.83 and 58,909.89

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Solution

The fourth proportional to 106,655.74, 147,185.83 and 58,909.89 is: 81,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,655.74 : 147,185.83 = 58,909.89 : x
  2. Step 2: Convert to fraction form
    106,655.74/147,185.83 = 58,909.89/x
  3. Step 3: Cross multiply
    106,655.74x = 147,185.83 × 58,909.89
  4. Step 4: Simplify right side
    106,655.74x = 8,670,700,521.15
  5. Step 5: Solve for x
    x = 8,670,700,521.15/106,655.74
  6. Step 6: Final answer
    x = 81,296.14

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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.