Home / 90,898.84-136,399.04-52,992.16

Finding the Fourth Proportional to 90,898.84, 136,399.04 and 52,992.16

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Solution

The fourth proportional to 90,898.84, 136,399.04 and 52,992.16 is: 79,517.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,898.84 : 136,399.04 = 52,992.16 : x
  2. Step 2: Convert to fraction form
    90,898.84/136,399.04 = 52,992.16/x
  3. Step 3: Cross multiply
    90,898.84x = 136,399.04 × 52,992.16
  4. Step 4: Simplify right side
    90,898.84x = 7,228,079,344.29
  5. Step 5: Solve for x
    x = 7,228,079,344.29/90,898.84
  6. Step 6: Final answer
    x = 79,517.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.