Home / 107,835.79-148,813.98-62,540.63

Finding the Fourth Proportional to 107,835.79, 148,813.98 and 62,540.63

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Solution

The fourth proportional to 107,835.79, 148,813.98 and 62,540.63 is: 86,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.79 : 148,813.98 = 62,540.63 : x
  2. Step 2: Convert to fraction form
    107,835.79/148,813.98 = 62,540.63/x
  3. Step 3: Cross multiply
    107,835.79x = 148,813.98 × 62,540.63
  4. Step 4: Simplify right side
    107,835.79x = 9,306,919,875.99
  5. Step 5: Solve for x
    x = 9,306,919,875.99/107,835.79
  6. Step 6: Final answer
    x = 86,306.41

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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.