Home / 99,006.33-136,630.53-53,685.84

Finding the Fourth Proportional to 99,006.33, 136,630.53 and 53,685.84

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Solution

The fourth proportional to 99,006.33, 136,630.53 and 53,685.84 is: 74,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.33 : 136,630.53 = 53,685.84 : x
  2. Step 2: Convert to fraction form
    99,006.33/136,630.53 = 53,685.84/x
  3. Step 3: Cross multiply
    99,006.33x = 136,630.53 × 53,685.84
  4. Step 4: Simplify right side
    99,006.33x = 7,335,124,772.70
  5. Step 5: Solve for x
    x = 7,335,124,772.70/99,006.33
  6. Step 6: Final answer
    x = 74,087.43

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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.