Home / 57,328.50-79,120.61-34,667.64

Finding the Fourth Proportional to 57,328.50, 79,120.61 and 34,667.64

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Solution

The fourth proportional to 57,328.50, 79,120.61 and 34,667.64 is: 47,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.50 : 79,120.61 = 34,667.64 : x
  2. Step 2: Convert to fraction form
    57,328.50/79,120.61 = 34,667.64/x
  3. Step 3: Cross multiply
    57,328.50x = 79,120.61 × 34,667.64
  4. Step 4: Simplify right side
    57,328.50x = 2,742,924,824.06
  5. Step 5: Solve for x
    x = 2,742,924,824.06/57,328.50
  6. Step 6: Final answer
    x = 47,845.75

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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.