Home / 75,629.04-104,364-41,630.90

Finding the Fourth Proportional to 75,629.04, 104,364 and 41,630.90

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Solution

The fourth proportional to 75,629.04, 104,364 and 41,630.90 is: 57,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.04 : 104,364 = 41,630.90 : x
  2. Step 2: Convert to fraction form
    75,629.04/104,364 = 41,630.90/x
  3. Step 3: Cross multiply
    75,629.04x = 104,364 × 41,630.90
  4. Step 4: Simplify right side
    75,629.04x = 4,344,767,247.60
  5. Step 5: Solve for x
    x = 4,344,767,247.60/75,629.04
  6. Step 6: Final answer
    x = 57,448.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.