Home / 102,860.15-141,889.83-59,834.80

Finding the Fourth Proportional to 102,860.15, 141,889.83 and 59,834.80

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Solution

The fourth proportional to 102,860.15, 141,889.83 and 59,834.80 is: 82,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.15 : 141,889.83 = 59,834.80 : x
  2. Step 2: Convert to fraction form
    102,860.15/141,889.83 = 59,834.80/x
  3. Step 3: Cross multiply
    102,860.15x = 141,889.83 × 59,834.80
  4. Step 4: Simplify right side
    102,860.15x = 8,489,949,600.08
  5. Step 5: Solve for x
    x = 8,489,949,600.08/102,860.15
  6. Step 6: Final answer
    x = 82,538.76

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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.