Home / 106,717.23-147,278.52-58,971.38

Finding the Fourth Proportional to 106,717.23, 147,278.52 and 58,971.38

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Solution

The fourth proportional to 106,717.23, 147,278.52 and 58,971.38 is: 81,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.23 : 147,278.52 = 58,971.38 : x
  2. Step 2: Convert to fraction form
    106,717.23/147,278.52 = 58,971.38/x
  3. Step 3: Cross multiply
    106,717.23x = 147,278.52 × 58,971.38
  4. Step 4: Simplify right side
    106,717.23x = 8,685,216,832.37
  5. Step 5: Solve for x
    x = 8,685,216,832.37/106,717.23
  6. Step 6: Final answer
    x = 81,385.33

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1.5x scale

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.