Home / 67,788.19-93,526.30-39,103.99

Finding the Fourth Proportional to 67,788.19, 93,526.30 and 39,103.99

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Solution

The fourth proportional to 67,788.19, 93,526.30 and 39,103.99 is: 53,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,788.19 : 93,526.30 = 39,103.99 : x
  2. Step 2: Convert to fraction form
    67,788.19/93,526.30 = 39,103.99/x
  3. Step 3: Cross multiply
    67,788.19x = 93,526.30 × 39,103.99
  4. Step 4: Simplify right side
    67,788.19x = 3,657,251,499.94
  5. Step 5: Solve for x
    x = 3,657,251,499.94/67,788.19
  6. Step 6: Final answer
    x = 53,951.16

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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.