Home / 102,860.14-141,889.84-59,834.79

Finding the Fourth Proportional to 102,860.14, 141,889.84 and 59,834.79

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Solution

The fourth proportional to 102,860.14, 141,889.84 and 59,834.79 is: 82,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,860.14 : 141,889.84 = 59,834.79 : x
  2. Step 2: Convert to fraction form
    102,860.14/141,889.84 = 59,834.79/x
  3. Step 3: Cross multiply
    102,860.14x = 141,889.84 × 59,834.79
  4. Step 4: Simplify right side
    102,860.14x = 8,489,948,779.53
  5. Step 5: Solve for x
    x = 8,489,948,779.53/102,860.14
  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.