Home / 59,640.60-82,292.40-38,416.80

Finding the Fourth Proportional to 59,640.60, 82,292.40 and 38,416.80

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Solution

The fourth proportional to 59,640.60, 82,292.40 and 38,416.80 is: 53,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,640.60 : 82,292.40 = 38,416.80 : x
  2. Step 2: Convert to fraction form
    59,640.60/82,292.40 = 38,416.80/x
  3. Step 3: Cross multiply
    59,640.60x = 82,292.40 × 38,416.80
  4. Step 4: Simplify right side
    59,640.60x = 3,161,410,672.32
  5. Step 5: Solve for x
    x = 3,161,410,672.32/59,640.60
  6. Step 6: Final answer
    x = 53,007.69

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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.