Home / 106,612.48-147,126.34-58,865.72

Finding the Fourth Proportional to 106,612.48, 147,126.34 and 58,865.72

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Solution

The fourth proportional to 106,612.48, 147,126.34 and 58,865.72 is: 81,235.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,612.48 : 147,126.34 = 58,865.72 : x
  2. Step 2: Convert to fraction form
    106,612.48/147,126.34 = 58,865.72/x
  3. Step 3: Cross multiply
    106,612.48x = 147,126.34 × 58,865.72
  4. Step 4: Simplify right side
    106,612.48x = 8,660,697,273.02
  5. Step 5: Solve for x
    x = 8,660,697,273.02/106,612.48
  6. Step 6: Final answer
    x = 81,235.30

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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.