Home / 99,206.98-136,904.18-53,885.55

Finding the Fourth Proportional to 99,206.98, 136,904.18 and 53,885.55

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Solution

The fourth proportional to 99,206.98, 136,904.18 and 53,885.55 is: 74,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,206.98 : 136,904.18 = 53,885.55 : x
  2. Step 2: Convert to fraction form
    99,206.98/136,904.18 = 53,885.55/x
  3. Step 3: Cross multiply
    99,206.98x = 136,904.18 × 53,885.55
  4. Step 4: Simplify right side
    99,206.98x = 7,377,157,280.56
  5. Step 5: Solve for x
    x = 7,377,157,280.56/99,206.98
  6. Step 6: Final answer
    x = 74,361.27

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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.