Home / 67,829.38-93,615.48-39,529.60

Finding the Fourth Proportional to 67,829.38, 93,615.48 and 39,529.60

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Solution

The fourth proportional to 67,829.38, 93,615.48 and 39,529.60 is: 54,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,829.38 : 93,615.48 = 39,529.60 : x
  2. Step 2: Convert to fraction form
    67,829.38/93,615.48 = 39,529.60/x
  3. Step 3: Cross multiply
    67,829.38x = 93,615.48 × 39,529.60
  4. Step 4: Simplify right side
    67,829.38x = 3,700,582,478.21
  5. Step 5: Solve for x
    x = 3,700,582,478.21/67,829.38
  6. Step 6: Final answer
    x = 54,557.22

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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.