Home / 67,928.40-93,747.12-37,719.60

Finding the Fourth Proportional to 67,928.40, 93,747.12 and 37,719.60

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Solution

The fourth proportional to 67,928.40, 93,747.12 and 37,719.60 is: 52,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.40 : 93,747.12 = 37,719.60 : x
  2. Step 2: Convert to fraction form
    67,928.40/93,747.12 = 37,719.60/x
  3. Step 3: Cross multiply
    67,928.40x = 93,747.12 × 37,719.60
  4. Step 4: Simplify right side
    67,928.40x = 3,536,103,867.55
  5. Step 5: Solve for x
    x = 3,536,103,867.55/67,928.40
  6. Step 6: Final answer
    x = 52,056.34

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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.