Home / 106,746.95-147,318.44-58,999.28

Finding the Fourth Proportional to 106,746.95, 147,318.44 and 58,999.28

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Solution

The fourth proportional to 106,746.95, 147,318.44 and 58,999.28 is: 81,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,746.95 : 147,318.44 = 58,999.28 : x
  2. Step 2: Convert to fraction form
    106,746.95/147,318.44 = 58,999.28/x
  3. Step 3: Cross multiply
    106,746.95x = 147,318.44 × 58,999.28
  4. Step 4: Simplify right side
    106,746.95x = 8,691,680,859.13
  5. Step 5: Solve for x
    x = 8,691,680,859.13/106,746.95
  6. Step 6: Final answer
    x = 81,423.22

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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.