Home / 106,733.70-147,290.40-58,989.06

Finding the Fourth Proportional to 106,733.70, 147,290.40 and 58,989.06

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Solution

The fourth proportional to 106,733.70, 147,290.40 and 58,989.06 is: 81,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,733.70 : 147,290.40 = 58,989.06 : x
  2. Step 2: Convert to fraction form
    106,733.70/147,290.40 = 58,989.06/x
  3. Step 3: Cross multiply
    106,733.70x = 147,290.40 × 58,989.06
  4. Step 4: Simplify right side
    106,733.70x = 8,688,522,243.02
  5. Step 5: Solve for x
    x = 8,688,522,243.02/106,733.70
  6. Step 6: Final answer
    x = 81,403.74

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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.