Home / 107,089.24-147,713.88-84,393.04

Finding the Fourth Proportional to 107,089.24, 147,713.88 and 84,393.04

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Solution

The fourth proportional to 107,089.24, 147,713.88 and 84,393.04 is: 116,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.24 : 147,713.88 = 84,393.04 : x
  2. Step 2: Convert to fraction form
    107,089.24/147,713.88 = 84,393.04/x
  3. Step 3: Cross multiply
    107,089.24x = 147,713.88 × 84,393.04
  4. Step 4: Simplify right side
    107,089.24x = 12,466,023,383.40
  5. Step 5: Solve for x
    x = 12,466,023,383.40/107,089.24
  6. Step 6: Final answer
    x = 116,407.81

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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.