Home / 106,855.21-147,460.50-59,108.56

Finding the Fourth Proportional to 106,855.21, 147,460.50 and 59,108.56

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Solution

The fourth proportional to 106,855.21, 147,460.50 and 59,108.56 is: 81,569.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,855.21 : 147,460.50 = 59,108.56 : x
  2. Step 2: Convert to fraction form
    106,855.21/147,460.50 = 59,108.56/x
  3. Step 3: Cross multiply
    106,855.21x = 147,460.50 × 59,108.56
  4. Step 4: Simplify right side
    106,855.21x = 8,716,177,811.88
  5. Step 5: Solve for x
    x = 8,716,177,811.88/106,855.21
  6. Step 6: Final answer
    x = 81,569.98

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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.