Home / 75,088.10-103,621.77-41,555.30

Finding the Fourth Proportional to 75,088.10, 103,621.77 and 41,555.30

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Solution

The fourth proportional to 75,088.10, 103,621.77 and 41,555.30 is: 57,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,088.10 : 103,621.77 = 41,555.30 : x
  2. Step 2: Convert to fraction form
    75,088.10/103,621.77 = 41,555.30/x
  3. Step 3: Cross multiply
    75,088.10x = 103,621.77 × 41,555.30
  4. Step 4: Simplify right side
    75,088.10x = 4,306,033,738.88
  5. Step 5: Solve for x
    x = 4,306,033,738.88/75,088.10
  6. Step 6: Final answer
    x = 57,346.42

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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.