Home / 67,705.63-93,433.12-39,014.75

Finding the Fourth Proportional to 67,705.63, 93,433.12 and 39,014.75

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Solution

The fourth proportional to 67,705.63, 93,433.12 and 39,014.75 is: 53,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,705.63 : 93,433.12 = 39,014.75 : x
  2. Step 2: Convert to fraction form
    67,705.63/93,433.12 = 39,014.75/x
  3. Step 3: Cross multiply
    67,705.63x = 93,433.12 × 39,014.75
  4. Step 4: Simplify right side
    67,705.63x = 3,645,269,818.52
  5. Step 5: Solve for x
    x = 3,645,269,818.52/67,705.63
  6. Step 6: Final answer
    x = 53,839.98

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1.5x scale

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.