Home / 67,392.09-93,002.45-39,099.60

Finding the Fourth Proportional to 67,392.09, 93,002.45 and 39,099.60

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Solution

The fourth proportional to 67,392.09, 93,002.45 and 39,099.60 is: 53,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392.09 : 93,002.45 = 39,099.60 : x
  2. Step 2: Convert to fraction form
    67,392.09/93,002.45 = 39,099.60/x
  3. Step 3: Cross multiply
    67,392.09x = 93,002.45 × 39,099.60
  4. Step 4: Simplify right side
    67,392.09x = 3,636,358,398.52
  5. Step 5: Solve for x
    x = 3,636,358,398.52/67,392.09
  6. Step 6: Final answer
    x = 53,958.24

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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.