Home / 103,623.40-155,435.10-37,065.70

Finding the Fourth Proportional to 103,623.40, 155,435.10 and 37,065.70

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Solution

The fourth proportional to 103,623.40, 155,435.10 and 37,065.70 is: 55,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.40 : 155,435.10 = 37,065.70 : x
  2. Step 2: Convert to fraction form
    103,623.40/155,435.10 = 37,065.70/x
  3. Step 3: Cross multiply
    103,623.40x = 155,435.10 × 37,065.70
  4. Step 4: Simplify right side
    103,623.40x = 5,761,310,786.07
  5. Step 5: Solve for x
    x = 5,761,310,786.07/103,623.40
  6. Step 6: Final answer
    x = 55,598.55

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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.