Home / 106,561.13-147,053.61-58,814.46

Finding the Fourth Proportional to 106,561.13, 147,053.61 and 58,814.46

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Solution

The fourth proportional to 106,561.13, 147,053.61 and 58,814.46 is: 81,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,561.13 : 147,053.61 = 58,814.46 : x
  2. Step 2: Convert to fraction form
    106,561.13/147,053.61 = 58,814.46/x
  3. Step 3: Cross multiply
    106,561.13x = 147,053.61 × 58,814.46
  4. Step 4: Simplify right side
    106,561.13x = 8,648,878,663.20
  5. Step 5: Solve for x
    x = 8,648,878,663.20/106,561.13
  6. Step 6: Final answer
    x = 81,163.54

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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.