Home / 103,623.90-155,435.85-37,066.20

Finding the Fourth Proportional to 103,623.90, 155,435.85 and 37,066.20

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Solution

The fourth proportional to 103,623.90, 155,435.85 and 37,066.20 is: 55,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.90 : 155,435.85 = 37,066.20 : x
  2. Step 2: Convert to fraction form
    103,623.90/155,435.85 = 37,066.20/x
  3. Step 3: Cross multiply
    103,623.90x = 155,435.85 × 37,066.20
  4. Step 4: Simplify right side
    103,623.90x = 5,761,416,303.27
  5. Step 5: Solve for x
    x = 5,761,416,303.27/103,623.90
  6. Step 6: Final answer
    x = 55,599.30

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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.