Home / 67,200.28-92,736.40-36,985.60

Finding the Fourth Proportional to 67,200.28, 92,736.40 and 36,985.60

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Solution

The fourth proportional to 67,200.28, 92,736.40 and 36,985.60 is: 51,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.28 : 92,736.40 = 36,985.60 : x
  2. Step 2: Convert to fraction form
    67,200.28/92,736.40 = 36,985.60/x
  3. Step 3: Cross multiply
    67,200.28x = 92,736.40 × 36,985.60
  4. Step 4: Simplify right side
    67,200.28x = 3,429,911,395.84
  5. Step 5: Solve for x
    x = 3,429,911,395.84/67,200.28
  6. Step 6: Final answer
    x = 51,040.14

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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.