Home / 70,089.60-96,725.94-38,260.20

Finding the Fourth Proportional to 70,089.60, 96,725.94 and 38,260.20

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Solution

The fourth proportional to 70,089.60, 96,725.94 and 38,260.20 is: 52,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,089.60 : 96,725.94 = 38,260.20 : x
  2. Step 2: Convert to fraction form
    70,089.60/96,725.94 = 38,260.20/x
  3. Step 3: Cross multiply
    70,089.60x = 96,725.94 × 38,260.20
  4. Step 4: Simplify right side
    70,089.60x = 3,700,753,809.59
  5. Step 5: Solve for x
    x = 3,700,753,809.59/70,089.60
  6. Step 6: Final answer
    x = 52,800.33

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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.