Home / 106,862.75-147,457.83-59,109.61

Finding the Fourth Proportional to 106,862.75, 147,457.83 and 59,109.61

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Solution

The fourth proportional to 106,862.75, 147,457.83 and 59,109.61 is: 81,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,862.75 : 147,457.83 = 59,109.61 : x
  2. Step 2: Convert to fraction form
    106,862.75/147,457.83 = 59,109.61/x
  3. Step 3: Cross multiply
    106,862.75x = 147,457.83 × 59,109.61
  4. Step 4: Simplify right side
    106,862.75x = 8,716,174,822.75
  5. Step 5: Solve for x
    x = 8,716,174,822.75/106,862.75
  6. Step 6: Final answer
    x = 81,564.20

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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.