Home / 98,994.12-136,433.38-72,094.04

Finding the Fourth Proportional to 98,994.12, 136,433.38 and 72,094.04

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Solution

The fourth proportional to 98,994.12, 136,433.38 and 72,094.04 is: 99,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994.12 : 136,433.38 = 72,094.04 : x
  2. Step 2: Convert to fraction form
    98,994.12/136,433.38 = 72,094.04/x
  3. Step 3: Cross multiply
    98,994.12x = 136,433.38 × 72,094.04
  4. Step 4: Simplify right side
    98,994.12x = 9,836,033,555.06
  5. Step 5: Solve for x
    x = 9,836,033,555.06/98,994.12
  6. Step 6: Final answer
    x = 99,359.78

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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.