Home / 107,308.40-148,138.88-67,044.51

Finding the Fourth Proportional to 107,308.40, 148,138.88 and 67,044.51

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Solution

The fourth proportional to 107,308.40, 148,138.88 and 67,044.51 is: 92,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,308.40 : 148,138.88 = 67,044.51 : x
  2. Step 2: Convert to fraction form
    107,308.40/148,138.88 = 67,044.51/x
  3. Step 3: Cross multiply
    107,308.40x = 148,138.88 × 67,044.51
  4. Step 4: Simplify right side
    107,308.40x = 9,931,898,286.33
  5. Step 5: Solve for x
    x = 9,931,898,286.33/107,308.40
  6. Step 6: Final answer
    x = 92,554.72

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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.