Home / 99,108.32-136,770.48-53,786.69

Finding the Fourth Proportional to 99,108.32, 136,770.48 and 53,786.69

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Solution

The fourth proportional to 99,108.32, 136,770.48 and 53,786.69 is: 74,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,108.32 : 136,770.48 = 53,786.69 : x
  2. Step 2: Convert to fraction form
    99,108.32/136,770.48 = 53,786.69/x
  3. Step 3: Cross multiply
    99,108.32x = 136,770.48 × 53,786.69
  4. Step 4: Simplify right side
    99,108.32x = 7,356,431,750.84
  5. Step 5: Solve for x
    x = 7,356,431,750.84/99,108.32
  6. Step 6: Final answer
    x = 74,226.18

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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.