Home / 75,101.85-103,638.98-41,109.55

Finding the Fourth Proportional to 75,101.85, 103,638.98 and 41,109.55

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Solution

The fourth proportional to 75,101.85, 103,638.98 and 41,109.55 is: 56,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.85 : 103,638.98 = 41,109.55 : x
  2. Step 2: Convert to fraction form
    75,101.85/103,638.98 = 41,109.55/x
  3. Step 3: Cross multiply
    75,101.85x = 103,638.98 × 41,109.55
  4. Step 4: Simplify right side
    75,101.85x = 4,260,551,830.26
  5. Step 5: Solve for x
    x = 4,260,551,830.26/75,101.85
  6. Step 6: Final answer
    x = 56,730.32

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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.