Home / 103,635.35-155,544.15-61,462.70

Finding the Fourth Proportional to 103,635.35, 155,544.15 and 61,462.70

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Solution

The fourth proportional to 103,635.35, 155,544.15 and 61,462.70 is: 92,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.35 : 155,544.15 = 61,462.70 : x
  2. Step 2: Convert to fraction form
    103,635.35/155,544.15 = 61,462.70/x
  3. Step 3: Cross multiply
    103,635.35x = 155,544.15 × 61,462.70
  4. Step 4: Simplify right side
    103,635.35x = 9,560,163,428.21
  5. Step 5: Solve for x
    x = 9,560,163,428.21/103,635.35
  6. Step 6: Final answer
    x = 92,248.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.