Home / 107,121.12-147,826.76-59,374

Finding the Fourth Proportional to 107,121.12, 147,826.76 and 59,374

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Solution

The fourth proportional to 107,121.12, 147,826.76 and 59,374 is: 81,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,121.12 : 147,826.76 = 59,374 : x
  2. Step 2: Convert to fraction form
    107,121.12/147,826.76 = 59,374/x
  3. Step 3: Cross multiply
    107,121.12x = 147,826.76 × 59,374
  4. Step 4: Simplify right side
    107,121.12x = 8,777,066,048.24
  5. Step 5: Solve for x
    x = 8,777,066,048.24/107,121.12
  6. Step 6: Final answer
    x = 81,935.91

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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.