Home / 106,746.56-147,310.08-58,999.40

Finding the Fourth Proportional to 106,746.56, 147,310.08 and 58,999.40

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Solution

The fourth proportional to 106,746.56, 147,310.08 and 58,999.40 is: 81,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,746.56 : 147,310.08 = 58,999.40 : x
  2. Step 2: Convert to fraction form
    106,746.56/147,310.08 = 58,999.40/x
  3. Step 3: Cross multiply
    106,746.56x = 147,310.08 × 58,999.40
  4. Step 4: Simplify right side
    106,746.56x = 8,691,206,333.95
  5. Step 5: Solve for x
    x = 8,691,206,333.95/106,746.56
  6. Step 6: Final answer
    x = 81,419.08

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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.