Home / 107,877.66-148,870.23-58,819.31

Finding the Fourth Proportional to 107,877.66, 148,870.23 and 58,819.31

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Solution

The fourth proportional to 107,877.66, 148,870.23 and 58,819.31 is: 81,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,877.66 : 148,870.23 = 58,819.31 : x
  2. Step 2: Convert to fraction form
    107,877.66/148,870.23 = 58,819.31/x
  3. Step 3: Cross multiply
    107,877.66x = 148,870.23 × 58,819.31
  4. Step 4: Simplify right side
    107,877.66x = 8,756,444,208.14
  5. Step 5: Solve for x
    x = 8,756,444,208.14/107,877.66
  6. Step 6: Final answer
    x = 81,170.13

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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.