Home / 103,626.30-155,439.45-37,068.60

Finding the Fourth Proportional to 103,626.30, 155,439.45 and 37,068.60

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Solution

The fourth proportional to 103,626.30, 155,439.45 and 37,068.60 is: 55,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.30 : 155,439.45 = 37,068.60 : x
  2. Step 2: Convert to fraction form
    103,626.30/155,439.45 = 37,068.60/x
  3. Step 3: Cross multiply
    103,626.30x = 155,439.45 × 37,068.60
  4. Step 4: Simplify right side
    103,626.30x = 5,761,922,796.27
  5. Step 5: Solve for x
    x = 5,761,922,796.27/103,626.30
  6. Step 6: Final answer
    x = 55,602.90

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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.