Home / 99,813.24-137,760.12-59,529.60

Finding the Fourth Proportional to 99,813.24, 137,760.12 and 59,529.60

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Solution

The fourth proportional to 99,813.24, 137,760.12 and 59,529.60 is: 82,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,813.24 : 137,760.12 = 59,529.60 : x
  2. Step 2: Convert to fraction form
    99,813.24/137,760.12 = 59,529.60/x
  3. Step 3: Cross multiply
    99,813.24x = 137,760.12 × 59,529.60
  4. Step 4: Simplify right side
    99,813.24x = 8,200,804,839.55
  5. Step 5: Solve for x
    x = 8,200,804,839.55/99,813.24
  6. Step 6: Final answer
    x = 82,161.49

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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.