Home / 67,315.14-92,893.64-36,688.50

Finding the Fourth Proportional to 67,315.14, 92,893.64 and 36,688.50

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Solution

The fourth proportional to 67,315.14, 92,893.64 and 36,688.50 is: 50,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,315.14 : 92,893.64 = 36,688.50 : x
  2. Step 2: Convert to fraction form
    67,315.14/92,893.64 = 36,688.50/x
  3. Step 3: Cross multiply
    67,315.14x = 92,893.64 × 36,688.50
  4. Step 4: Simplify right side
    67,315.14x = 3,408,128,311.14
  5. Step 5: Solve for x
    x = 3,408,128,311.14/67,315.14
  6. Step 6: Final answer
    x = 50,629.45

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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.