Home / 106,718.22-147,271.08-58,971.15

Finding the Fourth Proportional to 106,718.22, 147,271.08 and 58,971.15

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Solution

The fourth proportional to 106,718.22, 147,271.08 and 58,971.15 is: 81,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,718.22 : 147,271.08 = 58,971.15 : x
  2. Step 2: Convert to fraction form
    106,718.22/147,271.08 = 58,971.15/x
  3. Step 3: Cross multiply
    106,718.22x = 147,271.08 × 58,971.15
  4. Step 4: Simplify right side
    106,718.22x = 8,684,744,949.34
  5. Step 5: Solve for x
    x = 8,684,744,949.34/106,718.22
  6. Step 6: Final answer
    x = 81,380.15

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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.