Home / 90,900.84-136,402.04-52,994.16

Finding the Fourth Proportional to 90,900.84, 136,402.04 and 52,994.16

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Solution

The fourth proportional to 90,900.84, 136,402.04 and 52,994.16 is: 79,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,900.84 : 136,402.04 = 52,994.16 : x
  2. Step 2: Convert to fraction form
    90,900.84/136,402.04 = 52,994.16/x
  3. Step 3: Cross multiply
    90,900.84x = 136,402.04 × 52,994.16
  4. Step 4: Simplify right side
    90,900.84x = 7,228,511,532.09
  5. Step 5: Solve for x
    x = 7,228,511,532.09/90,900.84
  6. Step 6: Final answer
    x = 79,520.84

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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.