Home / 103,633.40-155,450.10-37,075.70

Finding the Fourth Proportional to 103,633.40, 155,450.10 and 37,075.70

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Solution

The fourth proportional to 103,633.40, 155,450.10 and 37,075.70 is: 55,613.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.40 : 155,450.10 = 37,075.70 : x
  2. Step 2: Convert to fraction form
    103,633.40/155,450.10 = 37,075.70/x
  3. Step 3: Cross multiply
    103,633.40x = 155,450.10 × 37,075.70
  4. Step 4: Simplify right side
    103,633.40x = 5,763,421,272.57
  5. Step 5: Solve for x
    x = 5,763,421,272.57/103,633.40
  6. Step 6: Final answer
    x = 55,613.55

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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.