Home / 102,855.62-141,986.94-60,416.84

Finding the Fourth Proportional to 102,855.62, 141,986.94 and 60,416.84

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Solution

The fourth proportional to 102,855.62, 141,986.94 and 60,416.84 is: 83,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,855.62 : 141,986.94 = 60,416.84 : x
  2. Step 2: Convert to fraction form
    102,855.62/141,986.94 = 60,416.84/x
  3. Step 3: Cross multiply
    102,855.62x = 141,986.94 × 60,416.84
  4. Step 4: Simplify right side
    102,855.62x = 8,578,402,236.07
  5. Step 5: Solve for x
    x = 8,578,402,236.07/102,855.62
  6. Step 6: Final answer
    x = 83,402.37

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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.