Home / 67,898.15-93,634.35-40,669.88

Finding the Fourth Proportional to 67,898.15, 93,634.35 and 40,669.88

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Solution

The fourth proportional to 67,898.15, 93,634.35 and 40,669.88 is: 56,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.15 : 93,634.35 = 40,669.88 : x
  2. Step 2: Convert to fraction form
    67,898.15/93,634.35 = 40,669.88/x
  3. Step 3: Cross multiply
    67,898.15x = 93,634.35 × 40,669.88
  4. Step 4: Simplify right side
    67,898.15x = 3,808,097,310.21
  5. Step 5: Solve for x
    x = 3,808,097,310.21/67,898.15
  6. Step 6: Final answer
    x = 56,085.44

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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.